202100112122 has 8 divisors (see below), whose sum is σ = 303468271956. Its totient is φ = 100944021472.

The previous prime is 202100112103. The next prime is 202100112127. The reversal of 202100112122 is 221211001202.

It can be written as a sum of positive squares in 2 ways, for example, as 202031371441 + 68740681 = 449479^2 + 8291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202100112097 and 202100112106.

It is not an unprimeable number, because it can be changed into a prime (202100112127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53014913 + ... + 53018724.

Almost surely, 2^202100112122 is an apocalyptic number.

202100112122 is a deficient number, since it is larger than the sum of its proper divisors (101368159834).

202100112122 is a wasteful number, since it uses less digits than its factorization.

202100112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106034592.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202100112122 its reverse (221211001202), we get a palindrome (423311113324).

The spelling of 202100112122 in words is "two hundred two billion, one hundred million, one hundred twelve thousand, one hundred twenty-two".