202021212322223 has 12 divisors (see below), whose sum is σ = 235031036806440. Its totient is φ = 173141314304112.

The previous prime is 202021212322199. The next prime is 202021212322247. The reversal of 202021212322223 is 322223212120202.

It is an interprime number because it is at equal distance from previous prime (202021212322199) and next prime (202021212322247).

It is not a de Polignac number, because 202021212322223 - 2⁸ = 202021212321967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202021212322192 and 202021212322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021212327223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234384836 + ... + 235245177.

It is an arithmetic number, because the mean of its divisors is an integer number (19585919733870).

Almost surely, 2^{202021212322223} is an apocalyptic number.

202021212322223 is a deficient number, since it is larger than the sum of its proper divisors (33009824484217).

202021212322223 is an equidigital number, since it uses as much as digits as its factorization.

202021212322223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469638806 (or 469638799 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 202021212322223 its reverse (322223212120202), we get a palindrome (524244424442425).

The spelling of 202021212322223 in words is "two hundred two trillion, twenty-one billion, two hundred twelve million, three hundred twenty-two thousand, two hundred twenty-three".