2121200210112 has 28 divisors (see below), whose sum is σ = 5612342223096. Its totient is φ = 707066736640.

The previous prime is 2121200210083. The next prime is 2121200210113. The reversal of 2121200210112 is 2110120021212.

It is a junction number, because it is equal to n+sod(n) for n = 2121200210091 and 2121200210100.

It is not an unprimeable number, because it can be changed into a prime (2121200210113) 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, 5523958689 + ... + 5523959072.

It is an arithmetic number, because the mean of its divisors is an integer number (200440793682).

Almost surely, 2^{2121200210112} is an apocalyptic number.

It is an amenable number.

2121200210112 is an abundant number, since it is smaller than the sum of its proper divisors (3491142012984).

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

2121200210112 is a wasteful number, since it uses less digits than its factorization.

2121200210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11047917776 (or 11047917766 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2121200210112 its reverse (2110120021212), we get a palindrome (4231320231324).

The spelling of 2121200210112 in words is "two trillion, one hundred twenty-one billion, two hundred million, two hundred ten thousand, one hundred twelve".