122021130021 has 16 divisors (see below), whose sum is σ = 186734980224. Its totient is φ = 69427102464.

The previous prime is 122021129977. The next prime is 122021130031. The reversal of 122021130021 is 120031120221.

It is not a de Polignac number, because 122021130021 - 2²² = 122016935717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021130031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12464056 + ... + 12473841.

It is an arithmetic number, because the mean of its divisors is an integer number (11670936264).

Almost surely, 2^122021130021 is an apocalyptic number.

It is an amenable number.

122021130021 is a deficient number, since it is larger than the sum of its proper divisors (64713850203).

122021130021 is a wasteful number, since it uses less digits than its factorization.

122021130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24938140.

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

Adding to 122021130021 its reverse (120031120221), we get a palindrome (242052250242).

The spelling of 122021130021 in words is "one hundred twenty-two billion, twenty-one million, one hundred thirty thousand, twenty-one".