222112011111010 has 8 divisors (see below), whose sum is σ = 399801619999836. Its totient is φ = 88844804444400.

The previous prime is 222112011110959. The next prime is 222112011111017. The reversal of 222112011111010 is 10111110211222.

It can be written as a sum of positive squares in 2 ways, for example, as 214020426936969 + 8091584174041 = 14629437^2 + 2844571^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222112011111017) 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, 11105600555541 + ... + 11105600555560.

Almost surely, 2^{222112011111010} is an apocalyptic number.

222112011111010 is a deficient number, since it is larger than the sum of its proper divisors (177689608888826).

222112011111010 is a wasteful number, since it uses less digits than its factorization.

222112011111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211201111108.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 222112011111010 its reverse (10111110211222), we get a palindrome (232223121322232).

The spelling of 222112011111010 in words is "two hundred twenty-two trillion, one hundred twelve billion, eleven million, one hundred eleven thousand, ten".