201113919 has 12 divisors (see below), whose sum is σ = 290745000. Its totient is φ = 133961904.

The previous prime is 201113903. The next prime is 201113921. The reversal of 201113919 is 919311102.

It is not a de Polignac number, because 201113919 - 2⁴ = 201113903 is a prime.

It is a super-2 number, since 2×201113919² = 80893616831077122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201113892 and 201113901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201115919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2457 + ... + 20205.

It is an arithmetic number, because the mean of its divisors is an integer number (24228750).

Almost surely, 2^201113919 is an apocalyptic number.

201113919 is a deficient number, since it is larger than the sum of its proper divisors (89631081).

201113919 is a wasteful number, since it uses less digits than its factorization.

201113919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19014 (or 19011 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 201113919 is about 14181.4639230229. The cubic root of 201113919 is about 585.8872445132.

The spelling of 201113919 in words is "two hundred one million, one hundred thirteen thousand, nine hundred nineteen".