211421341197 has 12 divisors (see below), whose sum is σ = 333148780224. Its totient is φ = 128134146120.

The previous prime is 211421341193. The next prime is 211421341213. The reversal of 211421341197 is 791143124112.

211421341197 is a `hidden beast` number, since 2 + 1 + 1 + 421 + 3 + 41 + 197 = 666.

It is not a de Polignac number, because 211421341197 - 2² = 211421341193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211421341193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067784453 + ... + 1067784650.

It is an arithmetic number, because the mean of its divisors is an integer number (27762398352).

Almost surely, 2^211421341197 is an apocalyptic number.

It is an amenable number.

211421341197 is a deficient number, since it is larger than the sum of its proper divisors (121727439027).

211421341197 is a wasteful number, since it uses less digits than its factorization.

211421341197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135569120 (or 2135569117 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

It can be divided in two parts, 2114 and 21341197, that added together give a triangular number (21343311 = T₆₅₃₃).

The spelling of 211421341197 in words is "two hundred eleven billion, four hundred twenty-one million, three hundred forty-one thousand, one hundred ninety-seven".