222201111121012 has 12 divisors (see below), whose sum is σ = 388929112971840. Its totient is φ = 111078507414776.

The previous prime is 222201111120931. The next prime is 222201111121081. The reversal of 222201111121012 is 210121111102222.

It is a happy number.

It is a congruent number.

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, 5512013758 + ... + 5512054069.

It is an arithmetic number, because the mean of its divisors is an integer number (32410759414320).

Almost surely, 2^{222201111121012} is an apocalyptic number.

It is an amenable number.

222201111121012 is a deficient number, since it is larger than the sum of its proper divisors (166728001850828).

222201111121012 is a wasteful number, since it uses less digits than its factorization.

222201111121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024072870 (or 11024072868 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222201111121012 its reverse (210121111102222), we get a palindrome (432322222223234).

The spelling of 222201111121012 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred eleven million, one hundred twenty-one thousand, twelve".