122012112122211 has 16 divisors (see below), whose sum is σ = 164518520624640. Its totient is φ = 80426019886080.

The previous prime is 122012112122143. The next prime is 122012112122269. The reversal of 122012112122211 is 112221211210221.

It is not a de Polignac number, because 122012112122211 - 2⁷ = 122012112122083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122012112122711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307805991 + ... + 308202128.

It is an arithmetic number, because the mean of its divisors is an integer number (10282407539040).

Almost surely, 2^{122012112122211} is an apocalyptic number.

122012112122211 is a deficient number, since it is larger than the sum of its proper divisors (42506408502429).

122012112122211 is a wasteful number, since it uses less digits than its factorization.

122012112122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616008866.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122012112122211 its reverse (112221211210221), we get a palindrome (234233323332432).

The spelling of 122012112122211 in words is "one hundred twenty-two trillion, twelve billion, one hundred twelve million, one hundred twenty-two thousand, two hundred eleven".