211073900 has 36 divisors (see below), whose sum is σ = 470417808. Its totient is φ = 82146240.

The previous prime is 211073899. The next prime is 211073903. The reversal of 211073900 is 9370112.

It is a super-2 number, since 2×211073900² = 89104382522420000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211073903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24824 + ... + 32223.

Almost surely, 2^211073900 is an apocalyptic number.

211073900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211073900 is an abundant number, since it is smaller than the sum of its proper divisors (259343908).

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

211073900 is a wasteful number, since it uses less digits than its factorization.

211073900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57098 (or 57091 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 211073900 is about 14528.3825665488. The cubic root of 211073900 is about 595.4036758807.

The spelling of 211073900 in words is "two hundred eleven million, seventy-three thousand, nine hundred".