122120100011 has 16 divisors (see below), whose sum is σ = 153369048000. Its totient is φ = 96622493184.

The previous prime is 122120099993. The next prime is 122120100031. The reversal of 122120100011 is 110001021221.

It is not a de Polignac number, because 122120100011 - 2³⁴ = 104940230827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122120099965 and 122120100001.

It is not an unprimeable number, because it can be changed into a prime (122120100031) 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, 13689206 + ... + 13698123.

It is an arithmetic number, because the mean of its divisors is an integer number (9585565500).

Almost surely, 2^122120100011 is an apocalyptic number.

122120100011 is a deficient number, since it is larger than the sum of its proper divisors (31248947989).

122120100011 is an equidigital number, since it uses as much as digits as its factorization.

122120100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27387363 (or 27387349 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122120100011 its reverse (110001021221), we get a palindrome (232121121232).

The spelling of 122120100011 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred thousand, eleven".