1121222110012 has 12 divisors (see below), whose sum is σ = 2009995734096. Its totient is φ = 546937614560.

The previous prime is 1121222110009. The next prime is 1121222110087. The reversal of 1121222110012 is 2100112221211.

It is a super-2 number, since 2×1121222110012² (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, 3418359928 + ... + 3418360255.

It is an arithmetic number, because the mean of its divisors is an integer number (167499644508).

Almost surely, 2^{1121222110012} is an apocalyptic number.

It is an amenable number.

1121222110012 is a deficient number, since it is larger than the sum of its proper divisors (888773624084).

1121222110012 is a wasteful number, since it uses less digits than its factorization.

1121222110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836720228 (or 6836720226 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121222110012 its reverse (2100112221211), we get a palindrome (3221334331223).

The spelling of 1121222110012 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred ten thousand, twelve".