211030011100 has 18 divisors (see below), whose sum is σ = 457935124304. Its totient is φ = 84412004400.

The previous prime is 211030011097. The next prime is 211030011109. The reversal of 211030011100 is 1110030112.

211030011100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211030011100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211030011109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1055149956 + ... + 1055150155.

Almost surely, 2^211030011100 is an apocalyptic number.

211030011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211030011100 is an abundant number, since it is smaller than the sum of its proper divisors (246905113204).

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

211030011100 is a wasteful number, since it uses less digits than its factorization.

211030011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110300125 (or 2110300118 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 211030011100 its reverse (1110030112), we get a palindrome (212140041212).

The spelling of 211030011100 in words is "two hundred eleven billion, thirty million, eleven thousand, one hundred".