2111121122012 has 12 divisors (see below), whose sum is σ = 4222242244080. Its totient is φ = 904766195136.

The previous prime is 2111121122009. The next prime is 2111121122017. The reversal of 2111121122012 is 2102211211112.

2111121122012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111121122017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37698591437 + ... + 37698591492.

It is an arithmetic number, because the mean of its divisors is an integer number (351853520340).

Almost surely, 2^{2111121122012} is an apocalyptic number.

It is an amenable number.

2111121122012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111121122012 is a wasteful number, since it uses less digits than its factorization.

2111121122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75397182940 (or 75397182938 counting only the distinct ones).

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

Adding to 2111121122012 its reverse (2102211211112), we get a palindrome (4213332333124).

The spelling of 2111121122012 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, twelve".