211896334144 has 56 divisors (see below), whose sum is σ = 462319469568. Its totient is φ = 95558077440.

The previous prime is 211896334099. The next prime is 211896334159. The reversal of 211896334144 is 441433698112.

It is a junction number, because it is equal to n+sod(n) for n = 211896334094 and 211896334103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095589 + ... + 1274404.

Almost surely, 2^211896334144 is an apocalyptic number.

It is an amenable number.

211896334144 is an abundant number, since it is smaller than the sum of its proper divisors (250423135424).

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

211896334144 is a wasteful number, since it uses less digits than its factorization.

211896334144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370143 (or 2370133 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The spelling of 211896334144 in words is "two hundred eleven billion, eight hundred ninety-six million, three hundred thirty-four thousand, one hundred forty-four".