211000020120999 has 16 divisors (see below), whose sum is σ = 312594683919840. Its totient is φ = 140665752397440.

The previous prime is 211000020120991. The next prime is 211000020121003. The reversal of 211000020120999 is 999021020000112.

It is not a de Polignac number, because 211000020120999 - 2³ = 211000020120991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000020120991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21586752 + ... + 29799125.

It is an arithmetic number, because the mean of its divisors is an integer number (19537167744990).

Almost surely, 2^{211000020120999} is an apocalyptic number.

211000020120999 is a deficient number, since it is larger than the sum of its proper divisors (101594663798841).

211000020120999 is a wasteful number, since it uses less digits than its factorization.

211000020120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51537967 (or 51537961 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 211000020120999 in words is "two hundred eleven trillion, twenty million, one hundred twenty thousand, nine hundred ninety-nine".