102101222120212 has 24 divisors (see below), whose sum is σ = 213080811382656. Its totient is φ = 41855159378208.

The previous prime is 102101222120173. The next prime is 102101222120213. The reversal of 102101222120212 is 212021222101201.

It is a self number, because there is not a number n which added to its sum of digits gives 102101222120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101222120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79271134543 + ... + 79271135830.

It is an arithmetic number, because the mean of its divisors is an integer number (8878367140944).

Almost surely, 2^{102101222120212} is an apocalyptic number.

It is an amenable number.

102101222120212 is an abundant number, since it is smaller than the sum of its proper divisors (110979589262444).

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

102101222120212 is a wasteful number, since it uses less digits than its factorization.

102101222120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158542270407 (or 158542270405 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102101222120212 its reverse (212021222101201), we get a palindrome (314122444221413).

The spelling of 102101222120212 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twelve".