1222011121112 has 16 divisors (see below), whose sum is σ = 2291287532400. Its totient is φ = 611001112480.

The previous prime is 1222011121021. The next prime is 1222011121129. The reversal of 1222011121112 is 2111211102221.

It is a super-2 number, since 2×1222011121112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808589 + ... + 1760067.

It is an arithmetic number, because the mean of its divisors is an integer number (143205470775).

Almost surely, 2^{1222011121112} is an apocalyptic number.

It is an amenable number.

1222011121112 is a deficient number, since it is larger than the sum of its proper divisors (1069276411288).

1222011121112 is a wasteful number, since it uses less digits than its factorization.

1222011121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112026 (or 1112022 counting only the distinct ones).

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

Adding to 1222011121112 its reverse (2111211102221), we get a palindrome (3333222223333).

The spelling of 1222011121112 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred twelve".