213111120201 has 32 divisors (see below), whose sum is σ = 325619094528. Its totient is φ = 121448859840.

The previous prime is 213111120197. The next prime is 213111120227. The reversal of 213111120201 is 102021111312.

It is not a de Polignac number, because 213111120201 - 2² = 213111120197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213111120281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12248230 + ... + 12265616.

It is an arithmetic number, because the mean of its divisors is an integer number (10175596704).

Almost surely, 2^213111120201 is an apocalyptic number.

213111120201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213111120201 is a deficient number, since it is larger than the sum of its proper divisors (112507974327).

213111120201 is a wasteful number, since it uses less digits than its factorization.

213111120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18941.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 213111120201 its reverse (102021111312), we get a palindrome (315132231513).

The spelling of 213111120201 in words is "two hundred thirteen billion, one hundred eleven million, one hundred twenty thousand, two hundred one".