213811001118 has 192 divisors, whose sum is σ = 565205921280. Its totient is φ = 57520108800.

The previous prime is 213811001083. The next prime is 213811001137. The reversal of 213811001118 is 811100118312.

It is a junction number, because it is equal to n+sod(n) for n = 213811001091 and 213811001100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19626453 + ... + 19637343.

It is an arithmetic number, because the mean of its divisors is an integer number (2943780840).

Almost surely, 2^213811001118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213811001118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282602960640).

213811001118 is an abundant number, since it is smaller than the sum of its proper divisors (351394920162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213811001118 is a wasteful number, since it uses less digits than its factorization.

213811001118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215 (or 11212 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 27.

The spelling of 213811001118 in words is "two hundred thirteen billion, eight hundred eleven million, one thousand, one hundred eighteen".