122061111516 has 48 divisors (see below), whose sum is σ = 316477324800. Its totient is φ = 40684132656.

The previous prime is 122061111461. The next prime is 122061111517. The reversal of 122061111516 is 615111160221.

122061111516 is a `hidden beast` number, since 1 + 2 + 20 + 611 + 1 + 15 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 122061111516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122061111517) 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, 1917325 + ... + 1979963.

It is an arithmetic number, because the mean of its divisors is an integer number (6593277600).

Almost surely, 2^122061111516 is an apocalyptic number.

It is an amenable number.

122061111516 is an abundant number, since it is smaller than the sum of its proper divisors (194416213284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122061111516 is a wasteful number, since it uses less digits than its factorization.

122061111516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80695 (or 80687 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 122061111516 its reverse (615111160221), we get a palindrome (737172271737).

The spelling of 122061111516 in words is "one hundred twenty-two billion, sixty-one million, one hundred eleven thousand, five hundred sixteen".