11122200011021 has 4 divisors (see below), whose sum is σ = 12133309102944. Its totient is φ = 10111090919100.

The previous prime is 11122200011003. The next prime is 11122200011023. The reversal of 11122200011021 is 12011000222111.

11122200011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11122200011021 - 2³⁸ = 10847322104077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122200010987 and 11122200011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122200011023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505554545945 + ... + 505554545966.

It is an arithmetic number, because the mean of its divisors is an integer number (3033327275736).

Almost surely, 2^{11122200011021} is an apocalyptic number.

11122200011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11122200011021 is a deficient number, since it is larger than the sum of its proper divisors (1011109091923).

11122200011021 is a wasteful number, since it uses less digits than its factorization.

11122200011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011109091922.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11122200011021 its reverse (12011000222111), we get a palindrome (23133200233132).

The spelling of 11122200011021 in words is "eleven trillion, one hundred twenty-two billion, two hundred million, eleven thousand, twenty-one".