21100023001310 has 32 divisors (see below), whose sum is σ = 41465218112352. Its totient is φ = 7666727178880.

The previous prime is 21100023001307. The next prime is 21100023001313. The reversal of 21100023001310 is 1310032000112.

It is an interprime number because it is at equal distance from previous prime (21100023001307) and next prime (21100023001313).

It is a super-2 number, since 2×21100023001310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100023001313) 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, 74964617 + ... + 75245556.

It is an arithmetic number, because the mean of its divisors is an integer number (1295788066011).

Almost surely, 2^{21100023001310} is an apocalyptic number.

21100023001310 is a deficient number, since it is larger than the sum of its proper divisors (20365195111042).

21100023001310 is a wasteful number, since it uses less digits than its factorization.

21100023001310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150211468.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21100023001310 its reverse (1310032000112), we get a palindrome (22410055001422).

The spelling of 21100023001310 in words is "twenty-one trillion, one hundred billion, twenty-three million, one thousand, three hundred ten".