11200021002 has 24 divisors (see below), whose sum is σ = 24296229984. Its totient is φ = 3728799144.

The previous prime is 11200020977. The next prime is 11200021033. The reversal of 11200021002 is 20012000211.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363208 + ... + 392835.

It is an arithmetic number, because the mean of its divisors is an integer number (1012342916).

Almost surely, 2^11200021002 is an apocalyptic number.

11200021002 is an abundant number, since it is smaller than the sum of its proper divisors (13096208982).

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

11200021002 is a wasteful number, since it uses less digits than its factorization.

11200021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756874 (or 756871 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11200021002 its reverse (20012000211), we get a palindrome (31212021213).

The spelling of 11200021002 in words is "eleven billion, two hundred million, twenty-one thousand, two".