210100001129100 has 144 divisors (see below), whose sum is σ = 688176607940640. Its totient is φ = 54969560006400.

The previous prime is 210100001129099. The next prime is 210100001129171. The reversal of 210100001129100 is 1921100001012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 733958931 + ... + 734245130.

It is an arithmetic number, because the mean of its divisors is an integer number (4779004221810).

Almost surely, 2^{210100001129100} is an apocalyptic number.

210100001129100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100001129100 is an abundant number, since it is smaller than the sum of its proper divisors (478076606811540).

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

210100001129100 is a wasteful number, since it uses less digits than its factorization.

210100001129100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468204137 (or 1468204124 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 210100001129100 in words is "two hundred ten trillion, one hundred billion, one million, one hundred twenty-nine thousand, one hundred".