211432223097 has 6 divisors (see below), whose sum is σ = 305402100042. Its totient is φ = 140954815392.

The previous prime is 211432223071. The next prime is 211432223111. The reversal of 211432223097 is 790322234112.

211432223097 is a `hidden beast` number, since 2 + 1 + 14 + 322 + 230 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 199291709241 + 12140513856 = 446421^2 + 110184^2 .

It is not a de Polignac number, because 211432223097 - 2¹⁵ = 211432190329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211432224097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11746234608 + ... + 11746234625.

It is an arithmetic number, because the mean of its divisors is an integer number (50900350007).

Almost surely, 2^211432223097 is an apocalyptic number.

It is an amenable number.

211432223097 is a deficient number, since it is larger than the sum of its proper divisors (93969876945).

211432223097 is a wasteful number, since it uses less digits than its factorization.

211432223097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23492469239 (or 23492469236 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 211432223097 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred twenty-three thousand, ninety-seven".