2101002197 has 8 divisors (see below), whose sum is σ = 2527521600. Its totient is φ = 1706076864.

The previous prime is 2101002193. The next prime is 2101002223. The reversal of 2101002197 is 7912001012.

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 2101002197 - 2² = 2101002193 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 (2101002193) 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, 7898372 + ... + 7898637.

It is an arithmetic number, because the mean of its divisors is an integer number (315940200).

Almost surely, 2^2101002197 is an apocalyptic number.

It is an amenable number.

2101002197 is a deficient number, since it is larger than the sum of its proper divisors (426519403).

2101002197 is a wasteful number, since it uses less digits than its factorization.

2101002197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15797035.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 2101002197 is about 45836.6905109869. The cubic root of 2101002197 is about 1280.7828457003.

The spelling of 2101002197 in words is "two billion, one hundred one million, two thousand, one hundred ninety-seven".