2101012000100 has 72 divisors (see below), whose sum is σ = 4910379965568. Its totient is φ = 775682985600.

The previous prime is 2101012000091. The next prime is 2101012000117. The reversal of 2101012000100 is 10002101012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14340215 + ... + 14485985.

It is an arithmetic number, because the mean of its divisors is an integer number (68199721744).

Almost surely, 2^{2101012000100} is an apocalyptic number.

2101012000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101012000100 is an abundant number, since it is smaller than the sum of its proper divisors (2809367965468).

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

2101012000100 is a wasteful number, since it uses less digits than its factorization.

2101012000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156885 (or 156878 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2101012000100 its reverse (10002101012), we get a palindrome (2111014101112).

The spelling of 2101012000100 in words is "two trillion, one hundred one billion, twelve million, one hundred", and thus it is an aban number.