211404302097 has 16 divisors (see below), whose sum is σ = 286227977280. Its totient is φ = 138760598592.

The previous prime is 211404302089. The next prime is 211404302107. The reversal of 211404302097 is 790203404112.

It is not a de Polignac number, because 211404302097 - 2³ = 211404302089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211404302597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116479 + ... + 660587.

It is an arithmetic number, because the mean of its divisors is an integer number (17889248580).

Almost surely, 2^211404302097 is an apocalyptic number.

It is an amenable number.

211404302097 is a deficient number, since it is larger than the sum of its proper divisors (74823675183).

211404302097 is a wasteful number, since it uses less digits than its factorization.

211404302097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546112.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 211404302097 in words is "two hundred eleven billion, four hundred four million, three hundred two thousand, ninety-seven".