211141210918 has 16 divisors (see below), whose sum is σ = 354841741584. Its totient is φ = 93379404960.

The previous prime is 211141210901. The next prime is 211141210933. The reversal of 211141210918 is 819012141112.

It is a super-2 number, since 2×211141210918² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211141210918.

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, 129692805 + ... + 129694432.

It is an arithmetic number, because the mean of its divisors is an integer number (22177608849).

Almost surely, 2^211141210918 is an apocalyptic number.

211141210918 is a deficient number, since it is larger than the sum of its proper divisors (143700530666).

211141210918 is a wasteful number, since it uses less digits than its factorization.

211141210918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259387287.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 211141210918 in words is "two hundred eleven billion, one hundred forty-one million, two hundred ten thousand, nine hundred eighteen".