22021021100211 has 16 divisors (see below), whose sum is σ = 33633697471488. Its totient is φ = 12554244705600.

The previous prime is 22021021100167. The next prime is 22021021100219. The reversal of 22021021100211 is 11200112012022.

It is not a de Polignac number, because 22021021100211 - 2⁶ = 22021021100147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021021100219) 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, 1216487530 + ... + 1216505631.

It is an arithmetic number, because the mean of its divisors is an integer number (2102106091968).

Almost surely, 2^{22021021100211} is an apocalyptic number.

22021021100211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22021021100211 is a deficient number, since it is larger than the sum of its proper divisors (11612676371277).

22021021100211 is a wasteful number, since it uses less digits than its factorization.

22021021100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432993602.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22021021100211 its reverse (11200112012022), we get a palindrome (33221133112233).

The spelling of 22021021100211 in words is "twenty-two trillion, twenty-one billion, twenty-one million, one hundred thousand, two hundred eleven".