122112032021 has 4 divisors (see below), whose sum is σ = 139556608032. Its totient is φ = 104667456012.

The previous prime is 122112031991. The next prime is 122112032039. The reversal of 122112032021 is 120230211221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122112032021 - 2¹⁸ = 122111769877 is a prime.

It is a super-2 number, since 2×122112032021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112032041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8722287995 + ... + 8722288008.

It is an arithmetic number, because the mean of its divisors is an integer number (34889152008).

Almost surely, 2^122112032021 is an apocalyptic number.

It is an amenable number.

122112032021 is a deficient number, since it is larger than the sum of its proper divisors (17444576011).

122112032021 is an equidigital number, since it uses as much as digits as its factorization.

122112032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444576010.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122112032021 its reverse (120230211221), we get a palindrome (242342243242).

The spelling of 122112032021 in words is "one hundred twenty-two billion, one hundred twelve million, thirty-two thousand, twenty-one".