201102399 has 16 divisors (see below), whose sum is σ = 299833440. Its totient is φ = 133211520.

The previous prime is 201102379. The next prime is 201102431. The reversal of 201102399 is 993201102.

It is a de Polignac number, because none of the positive numbers 2^k-201102399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19482 + ... + 27959.

It is an arithmetic number, because the mean of its divisors is an integer number (18739590).

Almost surely, 2^201102399 is an apocalyptic number.

201102399 is a deficient number, since it is larger than the sum of its proper divisors (98731041).

201102399 is a wasteful number, since it uses less digits than its factorization.

201102399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47607 (or 47601 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 201102399 is about 14181.0577532143. The cubic root of 201102399 is about 585.8760575701.

The spelling of 201102399 in words is "two hundred one million, one hundred two thousand, three hundred ninety-nine".