222112111211210 has 32 divisors (see below), whose sum is σ = 436150205208000. Its totient is φ = 80767524360960.

The previous prime is 222112111211173. The next prime is 222112111211297. The reversal of 222112111211210 is 12112111211222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11057621 + ... + 23801159.

It is an arithmetic number, because the mean of its divisors is an integer number (13629693912750).

Almost surely, 2^{222112111211210} is an apocalyptic number.

222112111211210 is a deficient number, since it is larger than the sum of its proper divisors (214038093996790).

222112111211210 is a wasteful number, since it uses less digits than its factorization.

222112111211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12902006.

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

Adding to 222112111211210 its reverse (12112111211222), we get a palindrome (234224222422432).

The spelling of 222112111211210 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".