22222002011111 has 4 divisors (see below), whose sum is σ = 25396573726992. Its totient is φ = 19047430295232.

The previous prime is 22222002011071. The next prime is 22222002011119. The reversal of 22222002011111 is 11111020022222.

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 22222002011111 - 2¹⁸ = 22222001748967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222002011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222002011119) 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, 1587285857930 + ... + 1587285857943.

It is an arithmetic number, because the mean of its divisors is an integer number (6349143431748).

Almost surely, 2^{22222002011111} is an apocalyptic number.

22222002011111 is a deficient number, since it is larger than the sum of its proper divisors (3174571715881).

22222002011111 is an equidigital number, since it uses as much as digits as its factorization.

22222002011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174571715880.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22222002011111 its reverse (11111020022222), we get a palindrome (33333022033333).

The spelling of 22222002011111 in words is "twenty-two trillion, two hundred twenty-two billion, two million, eleven thousand, one hundred eleven".