123001111321022 has 16 divisors (see below), whose sum is σ = 205955349190272. Its totient is φ = 54609372890520.

The previous prime is 123001111320959. The next prime is 123001111321079. The reversal of 123001111321022 is 220123111100321.

It is a junction number, because it is equal to n+sod(n) for n = 123001111320985 and 123001111321003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65011157258 + ... + 65011159149.

It is an arithmetic number, because the mean of its divisors is an integer number (12872209324392).

Almost surely, 2^{123001111321022} is an apocalyptic number.

123001111321022 is a deficient number, since it is larger than the sum of its proper divisors (82954237869250).

123001111321022 is a wasteful number, since it uses less digits than its factorization.

123001111321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130022316463.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 123001111321022 its reverse (220123111100321), we get a palindrome (343124222421343).

The spelling of 123001111321022 in words is "one hundred twenty-three trillion, one billion, one hundred eleven million, three hundred twenty-one thousand, twenty-two".