201022099 has 8 divisors (see below), whose sum is σ = 203922432. Its totient is φ = 198133320.

The previous prime is 201022079. The next prime is 201022103. The reversal of 201022099 is 990220102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201022099 - 2¹³ = 201013907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201022069) 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, 35814 + ... + 41044.

It is an arithmetic number, because the mean of its divisors is an integer number (25490304).

Almost surely, 2^201022099 is an apocalyptic number.

201022099 is a deficient number, since it is larger than the sum of its proper divisors (2900333).

201022099 is an equidigital number, since it uses as much as digits as its factorization.

201022099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 201022099 is about 14178.2262289752. The cubic root of 201022099 is about 585.7980672679.

It can be divided in two parts, 20102 and 2099, that added together give a square (22201 = 149²).

The spelling of 201022099 in words is "two hundred one million, twenty-two thousand, ninety-nine".