11000202220021 has 16 divisors (see below), whose sum is σ = 12607204694400. Its totient is φ = 9402120884160.

The previous prime is 11000202219989. The next prime is 11000202220031. The reversal of 11000202220021 is 12002220200011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11000202220021 - 2⁵ = 11000202219989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000202219983 and 11000202220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000202220031) 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, 2333155 + ... + 5238703.

It is an arithmetic number, because the mean of its divisors is an integer number (787950293400).

Almost surely, 2^{11000202220021} is an apocalyptic number.

It is an amenable number.

11000202220021 is a deficient number, since it is larger than the sum of its proper divisors (1607002474379).

11000202220021 is an equidigital number, since it uses as much as digits as its factorization.

11000202220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907084.

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

Adding to 11000202220021 its reverse (12002220200011), we get a palindrome (23002422420032).

The spelling of 11000202220021 in words is "eleven trillion, two hundred two million, two hundred twenty thousand, twenty-one".