102221021022 has 32 divisors (see below), whose sum is σ = 217620172800. Its totient is φ = 31917619008.

The previous prime is 102221021011. The next prime is 102221021051. The reversal of 102221021022 is 220120122201.

It is a junction number, because it is equal to n+sod(n) for n = 102221020992 and 102221021010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5027358 + ... + 5047649.

It is an arithmetic number, because the mean of its divisors is an integer number (6800630400).

Almost surely, 2^102221021022 is an apocalyptic number.

102221021022 is an abundant number, since it is smaller than the sum of its proper divisors (115399151778).

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

102221021022 is a wasteful number, since it uses less digits than its factorization.

102221021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075120.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102221021022 its reverse (220120122201), we get a palindrome (322341143223).

The spelling of 102221021022 in words is "one hundred two billion, two hundred twenty-one million, twenty-one thousand, twenty-two".