2122121000112 has 40 divisors (see below), whose sum is σ = 5482223877120. Its totient is φ = 707363607360.

The previous prime is 2122121000093. The next prime is 2122121000113. The reversal of 2122121000112 is 2110001212212.

It is a junction number, because it is equal to n+sod(n) for n = 2122121000091 and 2122121000100.

It is not an unprimeable number, because it can be changed into a prime (2122121000113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3598189 + ... + 4146227.

It is an arithmetic number, because the mean of its divisors is an integer number (137055596928).

Almost surely, 2^{2122121000112} is an apocalyptic number.

It is an amenable number.

2122121000112 is an abundant number, since it is smaller than the sum of its proper divisors (3360102877008).

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

2122121000112 is a wasteful number, since it uses less digits than its factorization.

2122121000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628721 (or 628715 counting only the distinct ones).

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

Adding to 2122121000112 its reverse (2110001212212), we get a palindrome (4232122212324).

The spelling of 2122121000112 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twelve", and thus it is an aban number.