22000222011111 has 4 divisors (see below), whose sum is σ = 29333629348152. Its totient is φ = 14666814674072.

The previous prime is 22000222011073. The next prime is 22000222011113. The reversal of 22000222011111 is 11111022200022.

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 22000222011111 - 2²³ = 22000213622503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000222011113) 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, 3666703668516 + ... + 3666703668521.

It is an arithmetic number, because the mean of its divisors is an integer number (7333407337038).

Almost surely, 2^{22000222011111} is an apocalyptic number.

22000222011111 is a deficient number, since it is larger than the sum of its proper divisors (7333407337041).

22000222011111 is an equidigital number, since it uses as much as digits as its factorization.

22000222011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333407337040.

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

Adding to 22000222011111 its reverse (11111022200022), we get a palindrome (33111244211133).

The spelling of 22000222011111 in words is "twenty-two trillion, two hundred twenty-two million, eleven thousand, one hundred eleven".