102221202022212 has 96 divisors (see below), whose sum is σ = 294603016184064. Its totient is φ = 26863496755200.

The previous prime is 102221202022189. The next prime is 102221202022217. The reversal of 102221202022212 is 212220202122201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (102221202022217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166257489 + ... + 166871192.

It is an arithmetic number, because the mean of its divisors is an integer number (3068781418584).

Almost surely, 2^{102221202022212} is an apocalyptic number.

102221202022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102221202022212 is an abundant number, since it is smaller than the sum of its proper divisors (192381814161852).

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

102221202022212 is a wasteful number, since it uses less digits than its factorization.

102221202022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333128989 (or 333128987 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102221202022212 its reverse (212220202122201), we get a palindrome (314441404144413).

The spelling of 102221202022212 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred two million, twenty-two thousand, two hundred twelve".