11201213884 has 24 divisors (see below), whose sum is σ = 22451048928. Its totient is φ = 4790101440.

The previous prime is 11201213869. The next prime is 11201213939. The reversal of 11201213884 is 48831210211.

It is a super-2 number, since 2×11201213884² (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 7 ways as a sum of consecutive naturals, for example, 420979 + ... + 446794.

It is an arithmetic number, because the mean of its divisors is an integer number (935460372).

Almost surely, 2^11201213884 is an apocalyptic number.

11201213884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11201213884 is an abundant number, since it is smaller than the sum of its proper divisors (11249835044).

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

11201213884 is a wasteful number, since it uses less digits than its factorization.

11201213884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868245 (or 868243 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 11201213884 in words is "eleven billion, two hundred one million, two hundred thirteen thousand, eight hundred eighty-four".