211001020000100 has 36 divisors (see below), whose sum is σ = 499496960075568. Its totient is φ = 76727643636000.

The previous prime is 211001020000087. The next prime is 211001020000139. The reversal of 211001020000100 is 1000020100112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95909553446 + ... + 95909555645.

Almost surely, 2^{211001020000100} is an apocalyptic number.

211001020000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211001020000100 is an abundant number, since it is smaller than the sum of its proper divisors (288495940075468).

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

211001020000100 is a wasteful number, since it uses less digits than its factorization.

211001020000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191819109116 (or 191819109109 counting only the distinct ones).

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

Adding to 211001020000100 its reverse (1000020100112), we get a palindrome (212001040100212).

The spelling of 211001020000100 in words is "two hundred eleven trillion, one billion, twenty million, one hundred", and thus it is an aban number.