1011112112222 has 32 divisors (see below), whose sum is σ = 1529545680000. Its totient is φ = 501281820000.

The previous prime is 1011112112201. The next prime is 1011112112237. The reversal of 1011112112222 is 2222112111101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011112112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311014097 + ... + 311017347.

It is an arithmetic number, because the mean of its divisors is an integer number (47798302500).

Almost surely, 2^{1011112112222} is an apocalyptic number.

1011112112222 is a deficient number, since it is larger than the sum of its proper divisors (518433567778).

1011112112222 is a wasteful number, since it uses less digits than its factorization.

1011112112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1011112112222 its reverse (2222112111101), we get a palindrome (3233224223323).

The spelling of 1011112112222 in words is "one trillion, eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-two".