102012221021022 has 80 divisors (see below), whose sum is σ = 246538661003712. Its totient is φ = 31340889074880.

The previous prime is 102012221020939. The next prime is 102012221021131. The reversal of 102012221021022 is 220120122210201.

It is a happy number.

102012221021022 is a `hidden beast` number, since 1 + 0 + 201 + 22 + 210 + 210 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102012221020986 and 102012221021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35248518 + ... + 38032649.

Almost surely, 2^{102012221021022} is an apocalyptic number.

102012221021022 is an abundant number, since it is smaller than the sum of its proper divisors (144526439982690).

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

102012221021022 is a wasteful number, since it uses less digits than its factorization.

102012221021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73281855 (or 73281846 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102012221021022 its reverse (220120122210201), we get a palindrome (322132343231223).

The spelling of 102012221021022 in words is "one hundred two trillion, twelve billion, two hundred twenty-one million, twenty-one thousand, twenty-two".