2111121212012 has 12 divisors (see below), whose sum is σ = 3773067698400. Its totient is φ = 1033101869616.

The previous prime is 2111121211993. The next prime is 2111121212021. The reversal of 2111121212012 is 2102121211112.

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, 5614683887 + ... + 5614684262.

It is an arithmetic number, because the mean of its divisors is an integer number (314422308200).

Almost surely, 2^{2111121212012} is an apocalyptic number.

It is an amenable number.

2111121212012 is a deficient number, since it is larger than the sum of its proper divisors (1661946486388).

2111121212012 is a wasteful number, since it uses less digits than its factorization.

2111121212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229368200 (or 11229368198 counting only the distinct ones).

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

Adding to 2111121212012 its reverse (2102121211112), we get a palindrome (4213242423124).

The spelling of 2111121212012 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred twelve thousand, twelve".