122021001121985 has 32 divisors (see below), whose sum is σ = 171609153811200. Its totient is φ = 81542903869440.

The previous prime is 122021001121939. The next prime is 122021001121997. The reversal of 122021001121985 is 589121100120221.

It is not a de Polignac number, because 122021001121985 - 2²⁸ = 122020732686529 is a prime.

It is a super-2 number, since 2×122021001121985² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44432255 + ... + 47098484.

It is an arithmetic number, because the mean of its divisors is an integer number (5362786056600).

Almost surely, 2^{122021001121985} is an apocalyptic number.

It is an amenable number.

122021001121985 is a deficient number, since it is larger than the sum of its proper divisors (49588152689215).

122021001121985 is an equidigital number, since it uses as much as digits as its factorization.

122021001121985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91531721.

The product of its (nonzero) digits is 5760, while the sum is 35.

The spelling of 122021001121985 in words is "one hundred twenty-two trillion, twenty-one billion, one million, one hundred twenty-one thousand, nine hundred eighty-five".