102211011222112 has 48 divisors (see below), whose sum is σ = 218161409281200. Its totient is φ = 46857706716672.

The previous prime is 102211011222101. The next prime is 102211011222167. The reversal of 102211011222112 is 211222110112201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102211011222112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824433138 + ... + 824557105.

It is an arithmetic number, because the mean of its divisors is an integer number (4545029360025).

Almost surely, 2^{102211011222112} is an apocalyptic number.

It is an amenable number.

102211011222112 is an abundant number, since it is smaller than the sum of its proper divisors (115950398059088).

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

102211011222112 is a wasteful number, since it uses less digits than its factorization.

102211011222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648990415 (or 1648990407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102211011222112 its reverse (211222110112201), we get a palindrome (313433121334313).

The spelling of 102211011222112 in words is "one hundred two trillion, two hundred eleven billion, eleven million, two hundred twenty-two thousand, one hundred twelve".