222111130203112 has 8 divisors (see below), whose sum is σ = 416458369130850. Its totient is φ = 111055565101552.

The previous prime is 222111130203029. The next prime is 222111130203119. The reversal of 222111130203112 is 211302031111222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 184997374687876 + 37113755515236 = 13601374^2 + 6092106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (222111130203119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13881945637687 + ... + 13881945637702.

Almost surely, 2^{222111130203112} is an apocalyptic number.

It is an amenable number.

222111130203112 is a deficient number, since it is larger than the sum of its proper divisors (194347238927738).

222111130203112 is a wasteful number, since it uses less digits than its factorization.

222111130203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27763891275395 (or 27763891275391 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 222111130203112 its reverse (211302031111222), we get a palindrome (433413161314334).

The spelling of 222111130203112 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred thirty million, two hundred three thousand, one hundred twelve".