22221112112107 has 2 divisors, whose sum is σ = 22221112112108. Its totient is φ = 22221112112106.

The previous prime is 22221112112093. The next prime is 22221112112137. The reversal of 22221112112107 is 70121121112222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221112112107 - 2⁴³ = 13425019089899 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221112112137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110556056053 + 11110556056054.

It is an arithmetic number, because the mean of its divisors is an integer number (11110556056054).

Almost surely, 2^{22221112112107} is an apocalyptic number.

22221112112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221112112107 is an equidigital number, since it uses as much as digits as its factorization.

22221112112107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 22221112112107 its reverse (70121121112222), we get a palindrome (92342233224329).

The spelling of 22221112112107 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twelve thousand, one hundred seven".