2121222000112 has 20 divisors (see below), whose sum is σ = 4141240664616. Its totient is φ = 1052514731840.

The previous prime is 2121222000083. The next prime is 2121222000197. The reversal of 2121222000112 is 2110002221212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 506014603 + ... + 506018794.

Almost surely, 2^{2121222000112} is an apocalyptic number.

It is an amenable number.

2121222000112 is a deficient number, since it is larger than the sum of its proper divisors (2020018664504).

2121222000112 is a wasteful number, since it uses less digits than its factorization.

2121222000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012033536 (or 1012033530 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121222000112 its reverse (2110002221212), we get a palindrome (4231224221324).

The spelling of 2121222000112 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twelve", and thus it is an aban number.