100122021122012 has 24 divisors (see below), whose sum is σ = 185560363391760. Its totient is φ = 47106048971520.

The previous prime is 100122021121939. The next prime is 100122021122021. The reversal of 100122021122012 is 210221120221001.

It is a super-2 number, since 2×100122021122012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159000062 + ... + 159628517.

It is an arithmetic number, because the mean of its divisors is an integer number (7731681807990).

Almost surely, 2^{100122021122012} is an apocalyptic number.

It is an amenable number.

100122021122012 is a deficient number, since it is larger than the sum of its proper divisors (85438342269748).

100122021122012 is a wasteful number, since it uses less digits than its factorization.

100122021122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318633221 (or 318633219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100122021122012 its reverse (210221120221001), we get a palindrome (310343141343013).

The spelling of 100122021122012 in words is "one hundred trillion, one hundred twenty-two billion, twenty-one million, one hundred twenty-two thousand, twelve".