213801906101112 has 224 divisors, whose sum is σ = 710592606770400. Its totient is φ = 58979835839232.

The previous prime is 213801906101107. The next prime is 213801906101123. The reversal of 213801906101112 is 211101609108312.

213801906101112 is a `hidden beast` number, since 2 + 1 + 3 + 8 + 0 + 19 + 0 + 610 + 11 + 12 = 666.

213801906101112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213801906101112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 89112003 + ... + 91479794.

Almost surely, 2^{213801906101112} is an apocalyptic number.

It is an amenable number.

213801906101112 is an abundant number, since it is smaller than the sum of its proper divisors (496790700669288).

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

213801906101112 is a wasteful number, since it uses less digits than its factorization.

213801906101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180591857 (or 180591838 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 213801906101112 in words is "two hundred thirteen trillion, eight hundred one billion, nine hundred six million, one hundred one thousand, one hundred twelve".