211013213100 has 36 divisors (see below), whose sum is σ = 610531564104. Its totient is φ = 56270190080.

The previous prime is 211013213093. The next prime is 211013213107. The reversal of 211013213100 is 1312310112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211013213093) and next prime (211013213107).

It is a super-2 number, since 2×211013213100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211013213100.

It is not an unprimeable number, because it can be changed into a prime (211013213107) 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, 351688389 + ... + 351688988.

It is an arithmetic number, because the mean of its divisors is an integer number (16959210114).

Almost surely, 2^211013213100 is an apocalyptic number.

211013213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211013213100 is an abundant number, since it is smaller than the sum of its proper divisors (399518351004).

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

211013213100 is a wasteful number, since it uses less digits than its factorization.

211013213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703377394 (or 703377387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211013213100 its reverse (1312310112), we get a palindrome (212325523212).

The spelling of 211013213100 in words is "two hundred eleven billion, thirteen million, two hundred thirteen thousand, one hundred".