122031022021 has 8 divisors (see below), whose sum is σ = 129232998720. Its totient is φ = 114831676608.

The previous prime is 122031021971. The next prime is 122031022039. The reversal of 122031022021 is 120220130221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122031022021 - 2²⁹ = 121494151109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122031021986 and 122031022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031032021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561931 + ... + 748216.

It is an arithmetic number, because the mean of its divisors is an integer number (16154124840).

Almost surely, 2^122031022021 is an apocalyptic number.

It is an amenable number.

122031022021 is a deficient number, since it is larger than the sum of its proper divisors (7201976699).

122031022021 is a wasteful number, since it uses less digits than its factorization.

122031022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315643.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122031022021 its reverse (120220130221), we get a palindrome (242251152242).

The spelling of 122031022021 in words is "one hundred twenty-two billion, thirty-one million, twenty-two thousand, twenty-one".