122121200021122 has 16 divisors (see below), whose sum is σ = 184211205612192. Its totient is φ = 60718206732480.

The previous prime is 122121200021087. The next prime is 122121200021231. The reversal of 122121200021122 is 221120002121221.

It is a super-2 number, since 2×122121200021122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122121200021122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185149188 + ... + 185807599.

It is an arithmetic number, because the mean of its divisors is an integer number (11513200350762).

Almost surely, 2^{122121200021122} is an apocalyptic number.

122121200021122 is a deficient number, since it is larger than the sum of its proper divisors (62090005591070).

122121200021122 is a wasteful number, since it uses less digits than its factorization.

122121200021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370957713.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122121200021122 its reverse (221120002121221), we get a palindrome (343241202142343).

The spelling of 122121200021122 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred million, twenty-one thousand, one hundred twenty-two".