23220101121 has 16 divisors (see below), whose sum is σ = 35867712384. Its totient is φ = 13086866304.

The previous prime is 23220101111. The next prime is 23220101129. The reversal of 23220101121 is 12110102232.

It is not a de Polignac number, because 23220101121 - 2⁹ = 23220100609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23220101121.

It is not an unprimeable number, because it can be changed into a prime (23220101129) 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, 7571886 + ... + 7574951.

It is an arithmetic number, because the mean of its divisors is an integer number (2241732024).

Almost surely, 2^23220101121 is an apocalyptic number.

23220101121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23220101121 is a deficient number, since it is larger than the sum of its proper divisors (12647611263).

23220101121 is a wasteful number, since it uses less digits than its factorization.

23220101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146920.

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

Adding to 23220101121 its reverse (12110102232), we get a palindrome (35330203353).

The spelling of 23220101121 in words is "twenty-three billion, two hundred twenty million, one hundred one thousand, one hundred twenty-one".