123122101221321 has 16 divisors (see below), whose sum is σ = 169473207368064. Its totient is φ = 79449186714624.

The previous prime is 123122101221313. The next prime is 123122101221377.

123122101221321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123122101221321 - 2³ = 123122101221313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123122101221291 and 123122101221300.

It is not an unprimeable number, because it can be changed into a prime (123122101221311) 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, 2873574741 + ... + 2873617586.

It is an arithmetic number, because the mean of its divisors is an integer number (10592075460504).

Almost surely, 2^{123122101221321} is an apocalyptic number.

It is an amenable number.

123122101221321 is a deficient number, since it is larger than the sum of its proper divisors (46351106146743).

123122101221321 is a wasteful number, since it uses less digits than its factorization.

123122101221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747192560.

The product of its (nonzero) digits is 576, while the sum is 24.

It can be divided in two parts, 12312210 and 1221321, that added together give a palindrome (13533531).

The spelling of 123122101221321 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, one hundred one million, two hundred twenty-one thousand, three hundred twenty-one".