222101111022212 has 48 divisors (see below), whose sum is σ = 406553815084032. Its totient is φ = 105966272100480.

The previous prime is 222101111022209. The next prime is 222101111022223. The reversal of 222101111022212 is 212220111101222.

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, 175676813 + ... + 176936555.

It is an arithmetic number, because the mean of its divisors is an integer number (8469871147584).

Almost surely, 2^{222101111022212} is an apocalyptic number.

It is an amenable number.

222101111022212 is a deficient number, since it is larger than the sum of its proper divisors (184452704061820).

222101111022212 is a wasteful number, since it uses less digits than its factorization.

222101111022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264388 (or 1264386 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222101111022212 its reverse (212220111101222), we get a palindrome (434321222123434).

The spelling of 222101111022212 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred eleven million, twenty-two thousand, two hundred twelve".