1111111200222 has 64 divisors (see below), whose sum is σ = 2490684007680. Its totient is φ = 328736669184.

The previous prime is 1111111200203. The next prime is 1111111200247. The reversal of 1111111200222 is 2220021111111.

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 31 ways as a sum of consecutive naturals, for example, 4240588 + ... + 4494975.

It is an arithmetic number, because the mean of its divisors is an integer number (38916937620).

Almost surely, 2^{1111111200222} is an apocalyptic number.

1111111200222 is an abundant number, since it is smaller than the sum of its proper divisors (1379572807458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111111200222 is a wasteful number, since it uses less digits than its factorization.

1111111200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735657.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111111200222 its reverse (2220021111111), we get a palindrome (3331132311333).

The spelling of 1111111200222 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two hundred thousand, two hundred twenty-two".