222212111211011 has 8 divisors (see below), whose sum is σ = 222569796230400. Its totient is φ = 221854507805952.

The previous prime is 222212111210909. The next prime is 222212111211059. The reversal of 222212111211011 is 110112111212222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222212111211011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222212116211011) 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, 14952611 + ... + 25845788.

It is an arithmetic number, because the mean of its divisors is an integer number (27821224528800).

Almost surely, 2^{222212111211011} is an apocalyptic number.

222212111211011 is a deficient number, since it is larger than the sum of its proper divisors (357685019389).

222212111211011 is an equidigital number, since it uses as much as digits as its factorization.

222212111211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40807165.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 222212111211011 its reverse (110112111212222), we get a palindrome (332324222423233).

The spelling of 222212111211011 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred eleven million, two hundred eleven thousand, eleven".