211942814371 has 8 divisors (see below), whose sum is σ = 212871318624. Its totient is φ = 211015546560.

The previous prime is 211942814353. The next prime is 211942814389. The reversal of 211942814371 is 173418249112.

It is an interprime number because it is at equal distance from previous prime (211942814353) and next prime (211942814389).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211942814371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211942814311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35305 + ... + 652021.

It is an arithmetic number, because the mean of its divisors is an integer number (26608914828).

Almost surely, 2^211942814371 is an apocalyptic number.

211942814371 is a deficient number, since it is larger than the sum of its proper divisors (928504253).

211942814371 is a wasteful number, since it uses less digits than its factorization.

211942814371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618221.

The product of its digits is 96768, while the sum is 43.

The spelling of 211942814371 in words is "two hundred eleven billion, nine hundred forty-two million, eight hundred fourteen thousand, three hundred seventy-one".