11220200211021 has 16 divisors (see below), whose sum is σ = 15819511239168. Its totient is φ = 7062281798400.

The previous prime is 11220200211007. The next prime is 11220200211041. The reversal of 11220200211021 is 12011200202211.

It is not a de Polignac number, because 11220200211021 - 2²² = 11220196016717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220200211041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471304896 + ... + 1471312521.

It is an arithmetic number, because the mean of its divisors is an integer number (988719452448).

Almost surely, 2^{11220200211021} is an apocalyptic number.

It is an amenable number.

11220200211021 is a deficient number, since it is larger than the sum of its proper divisors (4599311028147).

11220200211021 is a wasteful number, since it uses less digits than its factorization.

11220200211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942617492.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220200211021 its reverse (12011200202211), we get a palindrome (23231400413232).

The spelling of 11220200211021 in words is "eleven trillion, two hundred twenty billion, two hundred million, two hundred eleven thousand, twenty-one".