122002023131 has 4 divisors (see below), whose sum is σ = 122266670064. Its totient is φ = 121737376200.

The previous prime is 122002023097. The next prime is 122002023151. The reversal of 122002023131 is 131320200221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122002023131 - 2⁶ = 122002023067 is a prime.

It is a super-2 number, since 2×122002023131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122002023151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132322775 + ... + 132323696.

It is an arithmetic number, because the mean of its divisors is an integer number (30566667516).

Almost surely, 2^122002023131 is an apocalyptic number.

122002023131 is a deficient number, since it is larger than the sum of its proper divisors (264646933).

122002023131 is an equidigital number, since it uses as much as digits as its factorization.

122002023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264646932.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122002023131 its reverse (131320200221), we get a palindrome (253322223352).

The spelling of 122002023131 in words is "one hundred twenty-two billion, two million, twenty-three thousand, one hundred thirty-one".