222210011211112 has 8 divisors (see below), whose sum is σ = 416643771020850. Its totient is φ = 111105005605552.

The previous prime is 222210011211101. The next prime is 222210011211121. The reversal of 222210011211112 is 211112110012222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 219578043603556 + 2631967607556 = 14818166^2 + 1622334^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 222210011211112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888125700687 + ... + 13888125700702.

Almost surely, 2^{222210011211112} is an apocalyptic number.

It is an amenable number.

222210011211112 is a deficient number, since it is larger than the sum of its proper divisors (194433759809738).

222210011211112 is a wasteful number, since it uses less digits than its factorization.

222210011211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27776251401395 (or 27776251401391 counting only the distinct ones).

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

Adding to 222210011211112 its reverse (211112110012222), we get a palindrome (433322121223334).

The spelling of 222210011211112 in words is "two hundred twenty-two trillion, two hundred ten billion, eleven million, two hundred eleven thousand, one hundred twelve".