202102202111022 has 24 divisors (see below), whose sum is σ = 447204872758176. Its totient is φ = 65934051752256.

The previous prime is 202102202111021. The next prime is 202102202111027. The reversal of 202102202111022 is 220111202201202.

It is a happy number.

202102202111022 is a `hidden beast` number, since 2 + 0 + 210 + 220 + 211 + 1 + 0 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 202102202110986 and 202102202111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102202111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119445745083 + ... + 119445746774.

It is an arithmetic number, because the mean of its divisors is an integer number (18633536364924).

Almost surely, 2^{202102202111022} is an apocalyptic number.

202102202111022 is an abundant number, since it is smaller than the sum of its proper divisors (245102670647154).

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

202102202111022 is a wasteful number, since it uses less digits than its factorization.

202102202111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238891491912 (or 238891491909 counting only the distinct ones).

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

Adding to 202102202111022 its reverse (220111202201202), we get a palindrome (422213404312224).

The spelling of 202102202111022 in words is "two hundred two trillion, one hundred two billion, two hundred two million, one hundred eleven thousand, twenty-two".