23121322002130 has 32 divisors (see below), whose sum is σ = 45525579552000. Its totient is φ = 8384844030720.

The previous prime is 23121322002101. The next prime is 23121322002131. The reversal of 23121322002130 is 3120022312132.

It is a super-2 number, since 2×23121322002130² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (23121322002131) 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, 286327255 + ... + 286407994.

It is an arithmetic number, because the mean of its divisors is an integer number (1422674361000).

Almost surely, 2^{23121322002130} is an apocalyptic number.

23121322002130 is a deficient number, since it is larger than the sum of its proper divisors (22404257549870).

23121322002130 is a wasteful number, since it uses less digits than its factorization.

23121322002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572735634.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23121322002130 its reverse (3120022312132), we get a palindrome (26241344314262).

The spelling of 23121322002130 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred twenty-two million, two thousand, one hundred thirty".