222112131211 has 8 divisors (see below), whose sum is σ = 247555316880. Its totient is φ = 198044252928.

The previous prime is 222112131151. The next prime is 222112131217. The reversal of 222112131211 is 112131211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222112131211 - 2⁷ = 222112131083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112131217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343826506 + ... + 343827151.

It is an arithmetic number, because the mean of its divisors is an integer number (30944414610).

Almost surely, 2^222112131211 is an apocalyptic number.

222112131211 is a deficient number, since it is larger than the sum of its proper divisors (25443185669).

222112131211 is a wasteful number, since it uses less digits than its factorization.

222112131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687653693.

The product of its digits is 96, while the sum is 19.

Adding to 222112131211 its reverse (112131211222), we get a palindrome (334243342433).

The spelling of 222112131211 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred eleven".