123310021101042 has 32 divisors (see below), whose sum is σ = 246746031779520. Its totient is φ = 41082343206080.

The previous prime is 123310021101011. The next prime is 123310021101067. The reversal of 123310021101042 is 240101120013321.

It is a super-2 number, since 2×123310021101042² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535337917 + ... + 535568207.

It is an arithmetic number, because the mean of its divisors is an integer number (7710813493110).

Almost surely, 2^{123310021101042} is an apocalyptic number.

123310021101042 is an abundant number, since it is smaller than the sum of its proper divisors (123436010678478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123310021101042 is a wasteful number, since it uses less digits than its factorization.

123310021101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275498.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123310021101042 its reverse (240101120013321), we get a palindrome (363411141114363).

The spelling of 123310021101042 in words is "one hundred twenty-three trillion, three hundred ten billion, twenty-one million, one hundred one thousand, forty-two".