202100220122122 has 16 divisors (see below), whose sum is σ = 364692126536640. Its totient is φ = 82055728470528.

The previous prime is 202100220122071. The next prime is 202100220122131. The reversal of 202100220122122 is 221221022001202.

It is a super-2 number, since 2×202100220122122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 202100220122122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379887631543 + ... + 379887632074.

It is an arithmetic number, because the mean of its divisors is an integer number (22793257908540).

Almost surely, 2^{202100220122122} is an apocalyptic number.

202100220122122 is a deficient number, since it is larger than the sum of its proper divisors (162591906414518).

202100220122122 is a wasteful number, since it uses less digits than its factorization.

202100220122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759775263645.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202100220122122 its reverse (221221022001202), we get a palindrome (423321242123324).

The spelling of 202100220122122 in words is "two hundred two trillion, one hundred billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".