11202000220021 has 16 divisors (see below), whose sum is σ = 13328683329024. Its totient is φ = 9308921681664.

The previous prime is 11202000219869. The next prime is 11202000220027. The reversal of 11202000220021 is 12002200020211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11202000220021 - 2¹¹ = 11202000217973 is a prime.

It is a super-4 number, since 4×11202000220021⁴ (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202000219983 and 11202000220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202000220027) 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, 1101903261 + ... + 1101913426.

It is an arithmetic number, because the mean of its divisors is an integer number (833042708064).

Almost surely, 2^{11202000220021} is an apocalyptic number.

It is an amenable number.

11202000220021 is a deficient number, since it is larger than the sum of its proper divisors (2126683109003).

11202000220021 is a wasteful number, since it uses less digits than its factorization.

11202000220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203816740.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11202000220021 its reverse (12002200020211), we get a palindrome (23204200240232).

The spelling of 11202000220021 in words is "eleven trillion, two hundred two billion, two hundred twenty thousand, twenty-one".