2122101123 has 16 divisors (see below), whose sum is σ = 2880458496. Its totient is φ = 1389313440.

The previous prime is 2122101119. The next prime is 2122101161. The reversal of 2122101123 is 3211012212.

It is not a de Polignac number, because 2122101123 - 2² = 2122101119 is a prime.

It is a super-2 number, since 2×2122101123² = 9006626352475722258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122101103) 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, 109440 + ... + 127362.

It is an arithmetic number, because the mean of its divisors is an integer number (180028656).

Almost surely, 2^2122101123 is an apocalyptic number.

2122101123 is a deficient number, since it is larger than the sum of its proper divisors (758357373).

2122101123 is a wasteful number, since it uses less digits than its factorization.

2122101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2122101123 is about 46066.2688200379. The cubic root of 2122101123 is about 1285.0559152442.

Adding to 2122101123 its reverse (3211012212), we get a palindrome (5333113335).

The spelling of 2122101123 in words is "two billion, one hundred twenty-two million, one hundred one thousand, one hundred twenty-three".