222212123111 has 32 divisors (see below), whose sum is σ = 259780608000. Its totient is φ = 188058381280.

The previous prime is 222212123071. The next prime is 222212123129. The reversal of 222212123111 is 111321212222.

It is not a de Polignac number, because 222212123111 - 2²² = 222207928807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212123141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2076290 + ... + 2180688.

It is an arithmetic number, because the mean of its divisors is an integer number (8118144000).

Almost surely, 2^222212123111 is an apocalyptic number.

222212123111 is a deficient number, since it is larger than the sum of its proper divisors (37568484889).

222212123111 is a wasteful number, since it uses less digits than its factorization.

222212123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104659.

The product of its digits is 192, while the sum is 20.

Adding to 222212123111 its reverse (111321212222), we get a palindrome (333533335333).

The spelling of 222212123111 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, one hundred eleven".