201112990 has 16 divisors (see below), whose sum is σ = 389850048. Its totient is φ = 74257056.

The previous prime is 201112987. The next prime is 201112991. The reversal of 201112990 is 99211102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773382 + ... + 773641.

It is an arithmetic number, because the mean of its divisors is an integer number (24365628).

Almost surely, 2^201112990 is an apocalyptic number.

201112990 is a deficient number, since it is larger than the sum of its proper divisors (188737058).

201112990 is a wasteful number, since it uses less digits than its factorization.

201112990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547043.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 201112990 is about 14181.4311689618. The cubic root of 201112990 is about 585.8863423875.

The spelling of 201112990 in words is "two hundred one million, one hundred twelve thousand, nine hundred ninety".