23212300011121 has 16 divisors (see below), whose sum is σ = 25006298150736. Its totient is φ = 21419508197376.

The previous prime is 23212300011079. The next prime is 23212300011133. The reversal of 23212300011121 is 12111000321232.

It can be written as a sum of positive squares in 8 ways, for example, as 2946591966096 + 20265708045025 = 1716564^2 + 4501745^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212300011121 - 2³³ = 23203710076529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212300011181) 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, 1045917801 + ... + 1045939993.

It is an arithmetic number, because the mean of its divisors is an integer number (1562893634421).

Almost surely, 2^{23212300011121} is an apocalyptic number.

It is an amenable number.

23212300011121 is a deficient number, since it is larger than the sum of its proper divisors (1793998139615).

23212300011121 is a wasteful number, since it uses less digits than its factorization.

23212300011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45732.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 23212300011121 its reverse (12111000321232), we get a palindrome (35323300332353).

The spelling of 23212300011121 in words is "twenty-three trillion, two hundred twelve billion, three hundred million, eleven thousand, one hundred twenty-one".