122021120121121 has 32 divisors (see below), whose sum is σ = 132006654654336. Its totient is φ = 112122069696000.

The previous prime is 122021120121113. The next prime is 122021120121133. The reversal of 122021120121121 is 121121021120221.

It is a happy number.

It is not a de Polignac number, because 122021120121121 - 2³ = 122021120121113 is a prime.

It is a super-2 number, since 2×122021120121121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021120121161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22157455050 + ... + 22157460556.

It is an arithmetic number, because the mean of its divisors is an integer number (4125207957948).

Almost surely, 2^{122021120121121} is an apocalyptic number.

It is an amenable number.

122021120121121 is a deficient number, since it is larger than the sum of its proper divisors (9985534533215).

122021120121121 is a wasteful number, since it uses less digits than its factorization.

122021120121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10753.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122021120121121 its reverse (121121021120221), we get a palindrome (243142141241342).

The spelling of 122021120121121 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-one".