2113421442112 has 14 divisors (see below), whose sum is σ = 4193820674318. Its totient is φ = 1056710721024.

The previous prime is 2113421442047. The next prime is 2113421442157. The reversal of 2113421442112 is 2112441243112.

It can be written as a sum of positive squares in only one way, i.e., 2088764905536 + 24656536576 = 1445256^2 + 157024^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16511104953 + ... + 16511105080.

Almost surely, 2^{2113421442112} is an apocalyptic number.

It is an amenable number.

2113421442112 is a deficient number, since it is larger than the sum of its proper divisors (2080399232206).

2113421442112 is an equidigital number, since it uses as much as digits as its factorization.

2113421442112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33022210045 (or 33022210035 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

Adding to 2113421442112 its reverse (2112441243112), we get a palindrome (4225862685224).

The spelling of 2113421442112 in words is "two trillion, one hundred thirteen billion, four hundred twenty-one million, four hundred forty-two thousand, one hundred twelve".