110000021021197 has 4 divisors (see below), whose sum is σ = 111235976313660. Its totient is φ = 108764065728736.

The previous prime is 110000021021183. The next prime is 110000021021203. The reversal of 110000021021197 is 791120120000011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45819509918121 + 64180511103076 = 6769011^2 + 8011274^2 .

It is a cyclic number.

It is not a de Polignac number, because 110000021021197 - 2⁷ = 110000021021069 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 (110000021421197) 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, 617977646098 + ... + 617977646275.

It is an arithmetic number, because the mean of its divisors is an integer number (27808994078415).

Almost surely, 2^{110000021021197} is an apocalyptic number.

It is an amenable number.

110000021021197 is a deficient number, since it is larger than the sum of its proper divisors (1235955292463).

110000021021197 is an equidigital number, since it uses as much as digits as its factorization.

110000021021197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235955292462.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 110000021021197 in words is "one hundred ten trillion, twenty-one million, twenty-one thousand, one hundred ninety-seven".