100001012210120 has 96 divisors (see below), whose sum is σ = 264183487130880. Its totient is φ = 33965630778240.

The previous prime is 100001012210089. The next prime is 100001012210129. The reversal of 100001012210120 is 21012210100001.

It is not an unprimeable number, because it can be changed into a prime (100001012210129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238205816 + ... + 238625255.

It is an arithmetic number, because the mean of its divisors is an integer number (2751911324280).

Almost surely, 2^{100001012210120} is an apocalyptic number.

100001012210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001012210120 is an abundant number, since it is smaller than the sum of its proper divisors (164182474920760).

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

100001012210120 is a wasteful number, since it uses less digits than its factorization.

100001012210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476831203 (or 476831192 counting only the distinct ones).

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

Adding to 100001012210120 its reverse (21012210100001), we get a palindrome (121013222310121).

The spelling of 100001012210120 in words is "one hundred trillion, one billion, twelve million, two hundred ten thousand, one hundred twenty".