201220120110199 has 4 divisors (see below), whose sum is σ = 201243952893736. Its totient is φ = 201196287326664.

The previous prime is 201220120110169. The next prime is 201220120110203. The reversal of 201220120110199 is 991011021022102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201220120110199 - 2¹³ = 201220120102007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201220120110199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220120110169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11916379104 + ... + 11916395989.

It is an arithmetic number, because the mean of its divisors is an integer number (50310988223434).

Almost surely, 2^{201220120110199} is an apocalyptic number.

201220120110199 is a deficient number, since it is larger than the sum of its proper divisors (23832783537).

201220120110199 is an equidigital number, since it uses as much as digits as its factorization.

201220120110199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23832783536.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 201220120110199 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty million, one hundred ten thousand, one hundred ninety-nine".