102021012222102 has 64 divisors (see below), whose sum is σ = 241008471014400. Its totient is φ = 31898179922400.

The previous prime is 102021012222047. The next prime is 102021012222113. The reversal of 102021012222102 is 201222210120201.

It is a happy number.

102021012222102 is a `hidden beast` number, since 1 + 0 + 20 + 210 + 1 + 222 + 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492152238 + ... + 492359489.

It is an arithmetic number, because the mean of its divisors is an integer number (3765757359600).

Almost surely, 2^{102021012222102} is an apocalyptic number.

102021012222102 is an abundant number, since it is smaller than the sum of its proper divisors (138987458792298).

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

102021012222102 is a wasteful number, since it uses less digits than its factorization.

102021012222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984511858 (or 984511852 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102021012222102 its reverse (201222210120201), we get a palindrome (303243222342303).

The spelling of 102021012222102 in words is "one hundred two trillion, twenty-one billion, twelve million, two hundred twenty-two thousand, one hundred two".