211001000100118 has 4 divisors (see below), whose sum is σ = 316501500150180. Its totient is φ = 105500500050058.

The previous prime is 211001000100089. The next prime is 211001000100119. The reversal of 211001000100118 is 811001000100112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211001000100118² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001000100119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52750250025028 + ... + 52750250025031.

It is an arithmetic number, because the mean of its divisors is an integer number (79125375037545).

Almost surely, 2^{211001000100118} is an apocalyptic number.

211001000100118 is a deficient number, since it is larger than the sum of its proper divisors (105500500050062).

211001000100118 is a wasteful number, since it uses less digits than its factorization.

211001000100118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105500500050061.

The product of its (nonzero) digits is 16, while the sum is 16.

The spelling of 211001000100118 in words is "two hundred eleven trillion, one billion, one hundred thousand, one hundred eighteen".