2120201197 has 4 divisors (see below), whose sum is σ = 2188594816. Its totient is φ = 2051807580.

The previous prime is 2120201179. The next prime is 2120201221. The reversal of 2120201197 is 7911020212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120201197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120201297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34196763 + ... + 34196824.

It is an arithmetic number, because the mean of its divisors is an integer number (547148704).

Almost surely, 2^2120201197 is an apocalyptic number.

It is an amenable number.

2120201197 is a deficient number, since it is larger than the sum of its proper divisors (68393619).

2120201197 is an equidigital number, since it uses as much as digits as its factorization.

2120201197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68393618.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 2120201197 is about 46045.6425408529. The cubic root of 2120201197 is about 1284.6722954263.

The spelling of 2120201197 in words is "two billion, one hundred twenty million, two hundred one thousand, one hundred ninety-seven".