22111002012211 has 16 divisors (see below), whose sum is σ = 25366376623104. Its totient is φ = 18879795694944.

The previous prime is 22111002012161. The next prime is 22111002012217. The reversal of 22111002012211 is 11221020011122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111002012211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111002012217) 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, 101114485 + ... + 101332921.

It is an arithmetic number, because the mean of its divisors is an integer number (1585398538944).

Almost surely, 2^{22111002012211} is an apocalyptic number.

22111002012211 is a deficient number, since it is larger than the sum of its proper divisors (3255374610893).

22111002012211 is a wasteful number, since it uses less digits than its factorization.

22111002012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273690.

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

Adding to 22111002012211 its reverse (11221020011122), we get a palindrome (33332022023333).

The spelling of 22111002012211 in words is "twenty-two trillion, one hundred eleven billion, two million, twelve thousand, two hundred eleven".