122112101110111 has 32 divisors (see below), whose sum is σ = 148379511329280. Its totient is φ = 98101662720000.

The previous prime is 122112101110037. The next prime is 122112101110123. The reversal of 122112101110111 is 111011101211221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122112101110111 is a prime.

It is a super-2 number, since 2×122112101110111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112101110211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179202495 + ... + 179882623.

It is an arithmetic number, because the mean of its divisors is an integer number (4636859729040).

Almost surely, 2^{122112101110111} is an apocalyptic number.

122112101110111 is a deficient number, since it is larger than the sum of its proper divisors (26267410219169).

122112101110111 is a wasteful number, since it uses less digits than its factorization.

122112101110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686415.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 122112101110111 its reverse (111011101211221), we get a palindrome (233123202321332).

The spelling of 122112101110111 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred one million, one hundred ten thousand, one hundred eleven".