122012100102111 has 8 divisors (see below), whose sum is σ = 164262244798080. Its totient is φ = 80551677737112.

The previous prime is 122012100102103. The next prime is 122012100102127. The reversal of 122012100102111 is 111201001210221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122012100102111 - 2³ = 122012100102103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012100107111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197430582381 + ... + 197430582998.

It is an arithmetic number, because the mean of its divisors is an integer number (20532780599760).

Almost surely, 2^{122012100102111} is an apocalyptic number.

122012100102111 is a deficient number, since it is larger than the sum of its proper divisors (42250144695969).

122012100102111 is a wasteful number, since it uses less digits than its factorization.

122012100102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394861165485.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122012100102111 its reverse (111201001210221), we get a palindrome (233213101312332).

The spelling of 122012100102111 in words is "one hundred twenty-two trillion, twelve billion, one hundred million, one hundred two thousand, one hundred eleven".