11206643100 has 72 divisors (see below), whose sum is σ = 34331896368. Its totient is φ = 2812646400.

The previous prime is 11206643089. The next prime is 11206643111. The reversal of 11206643100 is 134660211.

It is an interprime number because it is at equal distance from previous prime (11206643089) and next prime (11206643111).

It is a super-2 number, since 2×11206643100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1093591 + ... + 1103790.

It is an arithmetic number, because the mean of its divisors is an integer number (476831894).

Almost surely, 2^11206643100 is an apocalyptic number.

11206643100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11206643100 is an abundant number, since it is smaller than the sum of its proper divisors (23125253268).

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

11206643100 is a wasteful number, since it uses less digits than its factorization.

11206643100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197415 (or 2197408 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 11206643100 in words is "eleven billion, two hundred six million, six hundred forty-three thousand, one hundred".