122012101010111 has 16 divisors (see below), whose sum is σ = 131651209845120. Its totient is φ = 112409223020640.

The previous prime is 122012101010053. The next prime is 122012101010113. The reversal of 122012101010111 is 111010101210221.

It is a de Polignac number, because none of the positive numbers 2^k-122012101010111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012101010113) 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, 502045856 + ... + 502288826.

It is an arithmetic number, because the mean of its divisors is an integer number (8228200615320).

Almost surely, 2^{122012101010111} is an apocalyptic number.

122012101010111 is a deficient number, since it is larger than the sum of its proper divisors (9639108835009).

122012101010111 is a wasteful number, since it uses less digits than its factorization.

122012101010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317366.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122012101010111 its reverse (111010101210221), we get a palindrome (233022202220332).

The spelling of 122012101010111 in words is "one hundred twenty-two trillion, twelve billion, one hundred one million, ten thousand, one hundred eleven".