1011111120222 has 16 divisors (see below), whose sum is σ = 2311111132032. Its totient is φ = 288888891480.

The previous prime is 1011111120211. The next prime is 1011111120251. The reversal of 1011111120222 is 2220211111101.

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 7 ways as a sum of consecutive naturals, for example, 12037037104 + ... + 12037037187.

It is an arithmetic number, because the mean of its divisors is an integer number (144444445752).

Almost surely, 2^{1011111120222} is an apocalyptic number.

1011111120222 is an abundant number, since it is smaller than the sum of its proper divisors (1300000011810).

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

1011111120222 is a wasteful number, since it uses less digits than its factorization.

1011111120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24074074303.

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

Adding to 1011111120222 its reverse (2220211111101), we get a palindrome (3231322231323).

The spelling of 1011111120222 in words is "one trillion, eleven billion, one hundred eleven million, one hundred twenty thousand, two hundred twenty-two".