22100012121211 has 4 divisors (see below), whose sum is σ = 22100107535352. Its totient is φ = 22099916707072.

The previous prime is 22100012121197. The next prime is 22100012121241. The reversal of 22100012121211 is 11212121000122.

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 22100012121211 - 2³⁷ = 21962573167739 is a prime.

It is a super-2 number, since 2×22100012121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100012121241) 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, 47358790 + ... + 47823163.

It is an arithmetic number, because the mean of its divisors is an integer number (5525026883838).

Almost surely, 2^{22100012121211} is an apocalyptic number.

22100012121211 is a deficient number, since it is larger than the sum of its proper divisors (95414141).

22100012121211 is an equidigital number, since it uses as much as digits as its factorization.

22100012121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95414140.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22100012121211 its reverse (11212121000122), we get a palindrome (33312133121333).

The spelling of 22100012121211 in words is "twenty-two trillion, one hundred billion, twelve million, one hundred twenty-one thousand, two hundred eleven".