2111421244 has 12 divisors (see below), whose sum is σ = 3710320768. Its totient is φ = 1051329600.

The previous prime is 2111421209. The next prime is 2111421271. The reversal of 2111421244 is 4421241112.

It is a super-2 number, since 2×2111421244² = 8916199339229015072, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 1094172 + ... + 1096099.

Almost surely, 2^2111421244 is an apocalyptic number.

It is an amenable number.

2111421244 is a deficient number, since it is larger than the sum of its proper divisors (1598899524).

2111421244 is a wasteful number, since it uses less digits than its factorization.

2111421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190516 (or 2190514 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 2111421244 is about 45950.2039603743. The cubic root of 2111421244 is about 1282.8965256010.

Adding to 2111421244 its reverse (4421241112), we get a palindrome (6532662356).

The spelling of 2111421244 in words is "two billion, one hundred eleven million, four hundred twenty-one thousand, two hundred forty-four".