121210100000122 has 16 divisors (see below), whose sum is σ = 212856760976832. Its totient is φ = 50680181184480.

The previous prime is 121210100000107. The next prime is 121210100000149. The reversal of 121210100000122 is 221000001012121.

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, 105583710228 + ... + 105583711375.

It is an arithmetic number, because the mean of its divisors is an integer number (13303547561052).

Almost surely, 2^{121210100000122} is an apocalyptic number.

121210100000122 is a deficient number, since it is larger than the sum of its proper divisors (91646660976710).

121210100000122 is a wasteful number, since it uses less digits than its factorization.

121210100000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211167421653.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121210100000122 its reverse (221000001012121), we get a palindrome (342210101012243).

The spelling of 121210100000122 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred million, one hundred twenty-two", and thus it is an aban number.