202122111102102 has 96 divisors (see below), whose sum is σ = 463974041662560. Its totient is φ = 63495956160000.

The previous prime is 202122111102049. The next prime is 202122111102127. The reversal of 202122111102102 is 201201111221202.

202122111102102 is a `hidden beast` number, since 20 + 212 + 211 + 1 + 10 + 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 47 ways as a sum of consecutive naturals, for example, 20056399 + ... + 28399002.

It is an arithmetic number, because the mean of its divisors is an integer number (4833062933985).

Almost surely, 2^{202122111102102} is an apocalyptic number.

202122111102102 is an abundant number, since it is smaller than the sum of its proper divisors (261851930560458).

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

202122111102102 is a wasteful number, since it uses less digits than its factorization.

202122111102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48455630 (or 48455627 counting only the distinct ones).

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

Adding to 202122111102102 its reverse (201201111221202), we get a palindrome (403323222323304).

The spelling of 202122111102102 in words is "two hundred two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, one hundred two".