102221112000212 has 6 divisors (see below), whose sum is σ = 178886946000378. Its totient is φ = 51110556000104.

The previous prime is 102221112000211. The next prime is 102221112000221. The reversal of 102221112000212 is 212000211122201.

It can be written as a sum of positive squares in only one way, i.e., 76848997518736 + 25372114481476 = 8766356^2 + 5037074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221112000211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777639000023 + ... + 12777639000030.

It is an arithmetic number, because the mean of its divisors is an integer number (29814491000063).

Almost surely, 2^{102221112000212} is an apocalyptic number.

It is an amenable number.

102221112000212 is a deficient number, since it is larger than the sum of its proper divisors (76665834000166).

102221112000212 is a wasteful number, since it uses less digits than its factorization.

102221112000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25555278000057 (or 25555278000055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102221112000212 its reverse (212000211122201), we get a palindrome (314221323122413).

The spelling of 102221112000212 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twelve", and thus it is an aban number.