122001022131 has 8 divisors (see below), whose sum is σ = 163255279824. Its totient is φ = 81040389600.

The previous prime is 122001022111. The next prime is 122001022147. The reversal of 122001022131 is 131220100221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122001022131 - 2¹⁴ = 122001005747 is a prime.

It is a super-2 number, since 2×122001022131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122001022131.

It is not an unprimeable number, because it can be changed into a prime (122001022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73405320 + ... + 73406981.

It is an arithmetic number, because the mean of its divisors is an integer number (20406909978).

Almost surely, 2^122001022131 is an apocalyptic number.

122001022131 is a deficient number, since it is larger than the sum of its proper divisors (41254257693).

122001022131 is a wasteful number, since it uses less digits than its factorization.

122001022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146812581.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122001022131 its reverse (131220100221), we get a palindrome (253221122352).

The spelling of 122001022131 in words is "one hundred twenty-two billion, one million, twenty-two thousand, one hundred thirty-one".