122012010111 has 16 divisors (see below), whose sum is σ = 163140526080. Its totient is φ = 81112504800.

The previous prime is 122012010067. The next prime is 122012010143. The reversal of 122012010111 is 111010210221.

It is not a de Polignac number, because 122012010111 - 2⁶ = 122012010047 is a prime.

It is a super-2 number, since 2×122012010111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012010191) 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, 8770261 + ... + 8784161.

It is an arithmetic number, because the mean of its divisors is an integer number (10196282880).

Almost surely, 2^122012010111 is an apocalyptic number.

122012010111 is a deficient number, since it is larger than the sum of its proper divisors (41128515969).

122012010111 is a wasteful number, since it uses less digits than its factorization.

122012010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21926.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122012010111 its reverse (111010210221), we get a palindrome (233022220332).

The spelling of 122012010111 in words is "one hundred twenty-two billion, twelve million, ten thousand, one hundred eleven".