222111120020012 has 12 divisors (see below), whose sum is σ = 398174812719096. Its totient is φ = 108346887814560.

The previous prime is 222111120019973. The next prime is 222111120020063. The reversal of 222111120020012 is 210020021111222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677168048678 + ... + 677168049005.

It is an arithmetic number, because the mean of its divisors is an integer number (33181234393258).

Almost surely, 2^{222111120020012} is an apocalyptic number.

It is an amenable number.

222111120020012 is a deficient number, since it is larger than the sum of its proper divisors (176063692699084).

222111120020012 is a wasteful number, since it uses less digits than its factorization.

222111120020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354336097728 (or 1354336097726 counting only the distinct ones).

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

Adding to 222111120020012 its reverse (210020021111222), we get a palindrome (432131141131234).

The spelling of 222111120020012 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred twenty million, twenty thousand, twelve".