102121322022 has 36 divisors (see below), whose sum is σ = 229761330396. Its totient is φ = 34040436300.

The previous prime is 102121322003. The next prime is 102121322033. The reversal of 102121322022 is 220223121201.

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 = 102121321986 and 102121322004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3878104 + ... + 3904347.

Almost surely, 2^102121322022 is an apocalyptic number.

102121322022 is an abundant number, since it is smaller than the sum of its proper divisors (127640008374).

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

102121322022 is an frugal number, since it uses more digits than its factorization.

102121322022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782477 (or 7782456 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102121322022 its reverse (220223121201), we get a palindrome (322344443223).

The spelling of 102121322022 in words is "one hundred two billion, one hundred twenty-one million, three hundred twenty-two thousand, twenty-two".