222112123111311 has 16 divisors (see below), whose sum is σ = 297737681472000. Its totient is φ = 147281900433728.

The previous prime is 222112123111273. The next prime is 222112123111349. The reversal of 222112123111311 is 113111321211222.

It is an interprime number because it is at equal distance from previous prime (222112123111273) and next prime (222112123111349).

It is a cyclic number.

It is not a de Polignac number, because 222112123111311 - 2¹⁰ = 222112123110287 is a prime.

It is a super-2 number, since 2×222112123111311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112123161311) 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, 154745991 + ... + 156174728.

It is an arithmetic number, because the mean of its divisors is an integer number (18608605092000).

Almost surely, 2^{222112123111311} is an apocalyptic number.

222112123111311 is a deficient number, since it is larger than the sum of its proper divisors (75625558360689).

222112123111311 is a wasteful number, since it uses less digits than its factorization.

222112123111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310921998.

The product of its digits is 288, while the sum is 24.

Adding to 222112123111311 its reverse (113111321211222), we get a palindrome (335223444322533).

The spelling of 222112123111311 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twenty-three million, one hundred eleven thousand, three hundred eleven".