122111637475 has 12 divisors (see below), whose sum is σ = 151437323016. Its totient is φ = 97677121280.

The previous prime is 122111637463. The next prime is 122111637569. The reversal of 122111637475 is 574736111221.

It is not a de Polignac number, because 122111637475 - 2¹⁷ = 122111506403 is a prime.

It is a super-2 number, since 2×122111637475² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97582 + ... + 503731.

It is an arithmetic number, because the mean of its divisors is an integer number (12619776918).

Almost surely, 2^122111637475 is an apocalyptic number.

122111637475 is a deficient number, since it is larger than the sum of its proper divisors (29325685541).

122111637475 is an equidigital number, since it uses as much as digits as its factorization.

122111637475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609446 (or 609441 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

Adding to 122111637475 its reverse (574736111221), we get a palindrome (696847748696).

The spelling of 122111637475 in words is "one hundred twenty-two billion, one hundred eleven million, six hundred thirty-seven thousand, four hundred seventy-five".