2121000102112 has 24 divisors (see below), whose sum is σ = 4357271950416. Its totient is φ = 1014391352832.

The previous prime is 2121000102101. The next prime is 2121000102131. The reversal of 2121000102112 is 2112010001212.

It is a super-2 number, since 2×2121000102112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121000102092 and 2121000102101.

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, 1440896073 + ... + 1440897544.

It is an arithmetic number, because the mean of its divisors is an integer number (181552997934).

Almost surely, 2^{2121000102112} is an apocalyptic number.

It is an amenable number.

2121000102112 is an abundant number, since it is smaller than the sum of its proper divisors (2236271848304).

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

2121000102112 is a wasteful number, since it uses less digits than its factorization.

2121000102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881793650 (or 2881793642 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121000102112 its reverse (2112010001212), we get a palindrome (4233010103324).

The spelling of 2121000102112 in words is "two trillion, one hundred twenty-one billion, one hundred two thousand, one hundred twelve".