222112020311 has 4 divisors (see below), whose sum is σ = 229276924224. Its totient is φ = 214947116400.

The previous prime is 222112020301. The next prime is 222112020341. The reversal of 222112020311 is 113020211222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113020211222 = 2 ⋅56510105611.

It is a cyclic number.

It is not a de Polignac number, because 222112020311 - 2¹⁰ = 222112019287 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 222112020311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112020301) 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, 3582451910 + ... + 3582451971.

It is an arithmetic number, because the mean of its divisors is an integer number (57319231056).

Almost surely, 2^222112020311 is an apocalyptic number.

222112020311 is a deficient number, since it is larger than the sum of its proper divisors (7164903913).

222112020311 is an equidigital number, since it uses as much as digits as its factorization.

222112020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164903912.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222112020311 its reverse (113020211222), we get a palindrome (335132231533).

The spelling of 222112020311 in words is "two hundred twenty-two billion, one hundred twelve million, twenty thousand, three hundred eleven".