22444412311111 has 48 divisors (see below), whose sum is σ = 26434477827072. Its totient is φ = 18999583948800.

The previous prime is 22444412311093. The next prime is 22444412311159. The reversal of 22444412311111 is 11111321444422.

It is a happy number.

It is not a de Polignac number, because 22444412311111 - 2²¹ = 22444410213959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444412311511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2976314001 + ... + 2976321541.

It is an arithmetic number, because the mean of its divisors is an integer number (550718288064).

Almost surely, 2^{22444412311111} is an apocalyptic number.

22444412311111 is a deficient number, since it is larger than the sum of its proper divisors (3990065515961).

22444412311111 is a wasteful number, since it uses less digits than its factorization.

22444412311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800 (or 9793 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

Adding to 22444412311111 its reverse (11111321444422), we get a palindrome (33555733755533).

The spelling of 22444412311111 in words is "twenty-two trillion, four hundred forty-four billion, four hundred twelve million, three hundred eleven thousand, one hundred eleven".