22100021201111 has 12 divisors (see below), whose sum is σ = 26070275085840. Its totient is φ = 18676074251520.

The previous prime is 22100021201099. The next prime is 22100021201113. The reversal of 22100021201111 is 11110212000122.

It is a de Polignac number, because none of the positive numbers 2^k-22100021201111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100021201113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3176199626 + ... + 3176206583.

It is an arithmetic number, because the mean of its divisors is an integer number (2172522923820).

Almost surely, 2^{22100021201111} is an apocalyptic number.

22100021201111 is a deficient number, since it is larger than the sum of its proper divisors (3970253884729).

22100021201111 is an equidigital number, since it uses as much as digits as its factorization.

22100021201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352406294 (or 6352406287 counting only the distinct ones).

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

Adding to 22100021201111 its reverse (11110212000122), we get a palindrome (33210233201233).

The spelling of 22100021201111 in words is "twenty-two trillion, one hundred billion, twenty-one million, two hundred one thousand, one hundred eleven".