100001022000120 has 80 divisors (see below), whose sum is σ = 336114546177960. Its totient is φ = 26666939199168.

The previous prime is 100001022000091. The next prime is 100001022000149. The reversal of 100001022000120 is 21000220100001.

It is an interprime number because it is at equal distance from previous prime (100001022000091) and next prime (100001022000149).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15432253242 + ... + 15432259721.

Almost surely, 2^{100001022000120} is an apocalyptic number.

100001022000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001022000120 is an abundant number, since it is smaller than the sum of its proper divisors (236113524177840).

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

100001022000120 is a wasteful number, since it uses less digits than its factorization.

100001022000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30864512986 (or 30864512973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100001022000120 its reverse (21000220100001), we get a palindrome (121001242100121).

The spelling of 100001022000120 in words is "one hundred trillion, one billion, twenty-two million, one hundred twenty", and thus it is an aban number.