22100021220011 has 4 divisors (see below), whose sum is σ = 25257167108592. Its totient is φ = 18942875331432.

The previous prime is 22100021219999. The next prime is 22100021220031. The reversal of 22100021220011 is 11002212000122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22100021220011 - 2¹⁴ = 22100021203627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100021220031) 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, 1578572944280 + ... + 1578572944293.

It is an arithmetic number, because the mean of its divisors is an integer number (6314291777148).

Almost surely, 2^{22100021220011} is an apocalyptic number.

22100021220011 is a deficient number, since it is larger than the sum of its proper divisors (3157145888581).

22100021220011 is an equidigital number, since it uses as much as digits as its factorization.

22100021220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157145888580.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100021220011 its reverse (11002212000122), we get a palindrome (33102233220133).

The spelling of 22100021220011 in words is "twenty-two trillion, one hundred billion, twenty-one million, two hundred twenty thousand, eleven".