122228111687 has 16 divisors (see below), whose sum is σ = 137156544000. Its totient is φ = 107969831040.

The previous prime is 122228111683. The next prime is 122228111689. The reversal of 122228111687 is 786111822221.

It is a cyclic number.

It is not a de Polignac number, because 122228111687 - 2² = 122228111683 is a prime.

It is a super-2 number, since 2×122228111687² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122228111683) 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, 778562 + ... + 922287.

It is an arithmetic number, because the mean of its divisors is an integer number (8572284000).

Almost surely, 2^122228111687 is an apocalyptic number.

122228111687 is a deficient number, since it is larger than the sum of its proper divisors (14928432313).

122228111687 is a wasteful number, since it uses less digits than its factorization.

122228111687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701046.

The product of its digits is 43008, while the sum is 41.

The spelling of 122228111687 in words is "one hundred twenty-two billion, two hundred twenty-eight million, one hundred eleven thousand, six hundred eighty-seven".