1111212011222 has 16 divisors (see below), whose sum is σ = 1670387136000. Its totient is φ = 554416605288.

The previous prime is 1111212011207. The next prime is 1111212011263. The reversal of 1111212011222 is 2221102121111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111212011222.

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, 7599203 + ... + 7744049.

It is an arithmetic number, because the mean of its divisors is an integer number (104399196000).

Almost surely, 2^{1111212011222} is an apocalyptic number.

1111212011222 is a deficient number, since it is larger than the sum of its proper divisors (559175124778).

1111212011222 is a wasteful number, since it uses less digits than its factorization.

1111212011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153035.

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

Adding to 1111212011222 its reverse (2221102121111), we get a palindrome (3332314132333).

The spelling of 1111212011222 in words is "one trillion, one hundred eleven billion, two hundred twelve million, eleven thousand, two hundred twenty-two".