211101002000 has 160 divisors (see below), whose sum is σ = 617678680320. Its totient is φ = 68119910400.

The previous prime is 211101001957. The next prime is 211101002009. The reversal of 211101002000 is 200101112.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (211101002009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205490 + ... + 681489.

It is an arithmetic number, because the mean of its divisors is an integer number (3860491752).

Almost surely, 2^211101002000 is an apocalyptic number.

211101002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211101002000 is an abundant number, since it is smaller than the sum of its proper divisors (406577678320).

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

211101002000 is a wasteful number, since it uses less digits than its factorization.

211101002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887026 (or 887010 counting only the distinct ones).

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

Adding to 211101002000 its reverse (200101112), we get a palindrome (211301103112).

The spelling of 211101002000 in words is "two hundred eleven billion, one hundred one million, two thousand".