10101002100197 has 4 divisors (see below), whose sum is σ = 10101988247520. Its totient is φ = 10100015952876.

The previous prime is 10101002100179. The next prime is 10101002100247. The reversal of 10101002100197 is 79100120010101.

It is a happy number.

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 10101002100197 - 2²⁰ = 10101001051621 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 (10101002100107) 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, 493058297 + ... + 493078782.

It is an arithmetic number, because the mean of its divisors is an integer number (2525497061880).

Almost surely, 2^{10101002100197} is an apocalyptic number.

It is an amenable number.

10101002100197 is a deficient number, since it is larger than the sum of its proper divisors (986147323).

10101002100197 is an equidigital number, since it uses as much as digits as its factorization.

10101002100197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986147322.

The product of its (nonzero) digits is 126, while the sum is 23.

Adding to 10101002100197 its reverse (79100120010101), we get a palindrome (89201122110298).

The spelling of 10101002100197 in words is "ten trillion, one hundred one billion, two million, one hundred thousand, one hundred ninety-seven".