211203113120 has 24 divisors (see below), whose sum is σ = 498967355124. Its totient is φ = 84481245184.

The previous prime is 211203113111. The next prime is 211203113161. The reversal of 211203113120 is 21311302112.

It can be written as a sum of positive squares in 2 ways, for example, as 211162306576 + 40806544 = 459524^2 + 6388^2 .

It is a super-2 number, since 2×211203113120² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660009569 + ... + 660009888.

Almost surely, 2^211203113120 is an apocalyptic number.

211203113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211203113120 is an abundant number, since it is smaller than the sum of its proper divisors (287764242004).

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

211203113120 is a wasteful number, since it uses less digits than its factorization.

211203113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320019472 (or 1320019464 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211203113120 its reverse (21311302112), we get a palindrome (232514415232).

The spelling of 211203113120 in words is "two hundred eleven billion, two hundred three million, one hundred thirteen thousand, one hundred twenty".