122102031021 has 8 divisors (see below), whose sum is σ = 172379337984. Its totient is φ = 76613039040.

The previous prime is 122102031017. The next prime is 122102031049. The reversal of 122102031021 is 120130201221.

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

It is not a de Polignac number, because 122102031021 - 2² = 122102031017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102031061) 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, 1197078685 + ... + 1197078786.

It is an arithmetic number, because the mean of its divisors is an integer number (21547417248).

Almost surely, 2^122102031021 is an apocalyptic number.

It is an amenable number.

122102031021 is a deficient number, since it is larger than the sum of its proper divisors (50277306963).

122102031021 is a wasteful number, since it uses less digits than its factorization.

122102031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394157491.

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

Adding to 122102031021 its reverse (120130201221), we get a palindrome (242232232242).

It can be divided in two parts, 12210 and 2031021, that added together give a triangular number (2043231 = T₂₀₂₁).

The spelling of 122102031021 in words is "one hundred twenty-two billion, one hundred two million, thirty-one thousand, twenty-one".