123313112021211 has 32 divisors (see below), whose sum is σ = 188069610467328. Its totient is φ = 70403177648160.

The previous prime is 123313112021189. The next prime is 123313112021233. The reversal of 123313112021211 is 112120211313321.

It is an interprime number because it is at equal distance from previous prime (123313112021189) and next prime (123313112021233).

It is not a de Polignac number, because 123313112021211 - 2²³ = 123313103632603 is a prime.

It is a super-2 number, since 2×123313112021211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123313112021311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284096196 + ... + 284529918.

It is an arithmetic number, because the mean of its divisors is an integer number (5877175327104).

Almost surely, 2^{123313112021211} is an apocalyptic number.

123313112021211 is a deficient number, since it is larger than the sum of its proper divisors (64756498446117).

123313112021211 is a wasteful number, since it uses less digits than its factorization.

123313112021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445511.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 123313112021211 its reverse (112120211313321), we get a palindrome (235433323334532).

The spelling of 123313112021211 in words is "one hundred twenty-three trillion, three hundred thirteen billion, one hundred twelve million, twenty-one thousand, two hundred eleven".