100000122111012 has 24 divisors (see below), whose sum is σ = 233599677141376. Its totient is φ = 33295365625248.

The previous prime is 100000122111011. The next prime is 100000122111017. The reversal of 100000122111012 is 210111221000001.

It is a super-2 number, since 2×100000122111012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100000122111011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4751040508 + ... + 4751061555.

Almost surely, 2^{100000122111012} is an apocalyptic number.

100000122111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100000122111012 is an abundant number, since it is smaller than the sum of its proper divisors (133599555030364).

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

100000122111012 is a wasteful number, since it uses less digits than its factorization.

100000122111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502102947 (or 9502102945 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100000122111012 its reverse (210111221000001), we get a palindrome (310111343111013).

The spelling of 100000122111012 in words is "one hundred trillion, one hundred twenty-two million, one hundred eleven thousand, twelve".