102211021212102 has 64 divisors (see below), whose sum is σ = 250338771244800. Its totient is φ = 30653727056640.

The previous prime is 102211021212067. The next prime is 102211021212149. The reversal of 102211021212102 is 201212120112201.

102211021212102 is a `hidden beast` number, since 10 + 221 + 10 + 212 + 1 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886913652 + ... + 887028887.

It is an arithmetic number, because the mean of its divisors is an integer number (3911543300700).

Almost surely, 2^{102211021212102} is an apocalyptic number.

102211021212102 is an abundant number, since it is smaller than the sum of its proper divisors (148127750032698).

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

102211021212102 is a wasteful number, since it uses less digits than its factorization.

102211021212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773942658 (or 1773942652 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102211021212102 its reverse (201212120112201), we get a palindrome (303423141324303).

The spelling of 102211021212102 in words is "one hundred two trillion, two hundred eleven billion, twenty-one million, two hundred twelve thousand, one hundred two".