222211000011212 has 6 divisors (see below), whose sum is σ = 388869250019628. Its totient is φ = 111105500005604.

The previous prime is 222211000011211. The next prime is 222211000011223. The reversal of 222211000011212 is 212110000112222.

It is not an unprimeable number, because it can be changed into a prime (222211000011211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776375001398 + ... + 27776375001405.

It is an arithmetic number, because the mean of its divisors is an integer number (64811541669938).

Almost surely, 2^{222211000011212} is an apocalyptic number.

It is an amenable number.

222211000011212 is a deficient number, since it is larger than the sum of its proper divisors (166658250008416).

222211000011212 is a wasteful number, since it uses less digits than its factorization.

222211000011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55552750002807 (or 55552750002805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222211000011212 its reverse (212110000112222), we get a palindrome (434321000123434).

The spelling of 222211000011212 in words is "two hundred twenty-two trillion, two hundred eleven billion, eleven thousand, two hundred twelve".