102021022 has 4 divisors (see below), whose sum is σ = 153031536. Its totient is φ = 51010510.

The previous prime is 102021001. The next prime is 102021037. The reversal of 102021022 is 220120201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505254 + ... + 25505257.

It is an arithmetic number, because the mean of its divisors is an integer number (38257884).

Almost surely, 2^102021022 is an apocalyptic number.

102021022 is a deficient number, since it is larger than the sum of its proper divisors (51010514).

102021022 is an equidigital number, since it uses as much as digits as its factorization.

102021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010513.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 102021022 is about 10100.5456288262. The cubic root of 102021022 is about 467.2649692236.

Adding to 102021022 its reverse (220120201), we get a palindrome (322141223).

The spelling of 102021022 in words is "one hundred two million, twenty-one thousand, twenty-two".