221023011311202 has 24 divisors (see below), whose sum is σ = 449411476417488. Its totient is φ = 72466561078320.

The previous prime is 221023011311117. The next prime is 221023011311213. The reversal of 221023011311202 is 202113110320122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4949879388 + ... + 4949924039.

It is an arithmetic number, because the mean of its divisors is an integer number (18725478184062).

Almost surely, 2^{221023011311202} is an apocalyptic number.

221023011311202 is an abundant number, since it is smaller than the sum of its proper divisors (228388465106286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221023011311202 is an equidigital number, since it uses as much as digits as its factorization.

221023011311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899803554 (or 9899803493 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221023011311202 its reverse (202113110320122), we get a palindrome (423136121631324).

The spelling of 221023011311202 in words is "two hundred twenty-one trillion, twenty-three billion, eleven million, three hundred eleven thousand, two hundred two".