122021012121099 has 64 divisors (see below), whose sum is σ = 200569424563200. Its totient is φ = 64256807043072.

The previous prime is 122021012121089. The next prime is 122021012121181. The reversal of 122021012121099 is 990121210120221.

It is not a de Polignac number, because 122021012121099 - 2¹⁶ = 122021012055563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122021012121089) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 405586872 + ... + 405887610.

It is an arithmetic number, because the mean of its divisors is an integer number (3133897258800).

Almost surely, 2^{122021012121099} is an apocalyptic number.

122021012121099 is a deficient number, since it is larger than the sum of its proper divisors (78548412442101).

122021012121099 is a wasteful number, since it uses less digits than its factorization.

122021012121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303204.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 122021012121099 in words is "one hundred twenty-two trillion, twenty-one billion, twelve million, one hundred twenty-one thousand, ninety-nine".