123122020221321 has 48 divisors (see below), whose sum is σ = 180561038523264. Its totient is φ = 74570727616000.

The previous prime is 123122020221313. The next prime is 123122020221331.

123122020221321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123122020221321 - 2³ = 123122020221313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123122020221291 and 123122020221300.

It is not an unprimeable number, because it can be changed into a prime (123122020221331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5534309020 + ... + 5534331266.

It is an arithmetic number, because the mean of its divisors is an integer number (3761688302568).

Almost surely, 2^{123122020221321} is an apocalyptic number.

123122020221321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123122020221321 is a deficient number, since it is larger than the sum of its proper divisors (57439018301943).

123122020221321 is a wasteful number, since it uses less digits than its factorization.

123122020221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31534 (or 31523 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 123122020221321 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, three hundred twenty-one".