22100122222211 has 16 divisors (see below), whose sum is σ = 24130670843520. Its totient is φ = 20073149785920.

The previous prime is 22100122222169. The next prime is 22100122222219. The reversal of 22100122222211 is 11222222100122.

It is not a de Polignac number, because 22100122222211 - 2¹⁰ = 22100122221187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100122222219) 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, 390026600 + ... + 390083258.

It is an arithmetic number, because the mean of its divisors is an integer number (1508166927720).

Almost surely, 2^{22100122222211} is an apocalyptic number.

22100122222211 is a deficient number, since it is larger than the sum of its proper divisors (2030548621309).

22100122222211 is a wasteful number, since it uses less digits than its factorization.

22100122222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87586.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22100122222211 its reverse (11222222100122), we get a palindrome (33322344322333).

The spelling of 22100122222211 in words is "twenty-two trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred eleven".