201100102197 has 4 divisors (see below), whose sum is σ = 268133469600. Its totient is φ = 134066734796.

The previous prime is 201100102171. The next prime is 201100102211. The reversal of 201100102197 is 791201001102.

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 not a de Polignac number, because 201100102197 - 2²⁸ = 200831666741 is a prime.

It is a super-2 number, since 2×201100102197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100100197) 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, 33516683697 + ... + 33516683702.

It is an arithmetic number, because the mean of its divisors is an integer number (67033367400).

Almost surely, 2^201100102197 is an apocalyptic number.

It is an amenable number.

201100102197 is a deficient number, since it is larger than the sum of its proper divisors (67033367403).

201100102197 is an equidigital number, since it uses as much as digits as its factorization.

201100102197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67033367402.

The product of its (nonzero) digits is 252, while the sum is 24.

Adding to 201100102197 its reverse (791201001102), we get a palindrome (992301103299).

The spelling of 201100102197 in words is "two hundred one billion, one hundred million, one hundred two thousand, one hundred ninety-seven".