202100202122 has 32 divisors (see below), whose sum is σ = 373164019200. Its totient is φ = 79939738368.

The previous prime is 202100202121. The next prime is 202100202127. The reversal of 202100202122 is 221202001202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 202100202097 and 202100202106.

It is not an unprimeable number, because it can be changed into a prime (202100202121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186754 + ... + 1346322.

It is an arithmetic number, because the mean of its divisors is an integer number (11661375600).

Almost surely, 2^202100202122 is an apocalyptic number.

202100202122 is a deficient number, since it is larger than the sum of its proper divisors (171063817078).

202100202122 is a wasteful number, since it uses less digits than its factorization.

202100202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166550.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202100202122 its reverse (221202001202), we get a palindrome (423302203324).

The spelling of 202100202122 in words is "two hundred two billion, one hundred million, two hundred two thousand, one hundred twenty-two".