102202021122102 has 36 divisors (see below), whose sum is σ = 243398477305620. Its totient is φ = 30970309430280.

The previous prime is 102202021122053. The next prime is 102202021122121. The reversal of 102202021122102 is 201221120202201.

It is a happy number.

102202021122102 is a `hidden beast` number, since 1 + 0 + 220 + 20 + 211 + 2 + 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 17 ways as a sum of consecutive naturals, for example, 23462353452 + ... + 23462357807.

It is an arithmetic number, because the mean of its divisors is an integer number (6761068814045).

Almost surely, 2^{102202021122102} is an apocalyptic number.

102202021122102 is an abundant number, since it is smaller than the sum of its proper divisors (141196456183518).

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

102202021122102 is a wasteful number, since it uses less digits than its factorization.

102202021122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46924711289 (or 46924711275 counting only the distinct ones).

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

Adding to 102202021122102 its reverse (201221120202201), we get a palindrome (303423141324303).

It can be divided in two parts, 1022020 and 21122102, that added together give a palindrome (22144122).

The spelling of 102202021122102 in words is "one hundred two trillion, two hundred two billion, twenty-one million, one hundred twenty-two thousand, one hundred two".