202100222122 has 16 divisors (see below), whose sum is σ = 309617229312. Its totient is φ = 98894713680.

The previous prime is 202100222113. The next prime is 202100222123. The reversal of 202100222122 is 221222001202.

It is a junction number, because it is equal to n+sod(n) for n = 202100222096 and 202100222105.

It is not an unprimeable number, because it can be changed into a prime (202100222123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090383 + ... + 2184925.

It is an arithmetic number, because the mean of its divisors is an integer number (19351076832).

Almost surely, 2^202100222122 is an apocalyptic number.

202100222122 is a deficient number, since it is larger than the sum of its proper divisors (107517007190).

202100222122 is a wasteful number, since it uses less digits than its factorization.

202100222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117333.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202100222122 its reverse (221222001202), we get a palindrome (423322223324).

The spelling of 202100222122 in words is "two hundred two billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".