202111010197 has 8 divisors (see below), whose sum is σ = 202292506112. Its totient is φ = 201929598000.

The previous prime is 202111010149. The next prime is 202111010219. The reversal of 202111010197 is 791010111202.

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 202111010197 - 2²⁷ = 201976792469 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 (202111010137) 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, 5426683 + ... + 5463799.

It is an arithmetic number, because the mean of its divisors is an integer number (25286563264).

Almost surely, 2^202111010197 is an apocalyptic number.

It is an amenable number.

202111010197 is a deficient number, since it is larger than the sum of its proper divisors (181495915).

202111010197 is a wasteful number, since it uses less digits than its factorization.

202111010197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41859.

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

Adding to 202111010197 its reverse (791010111202), we get a palindrome (993121121399).

The spelling of 202111010197 in words is "two hundred two billion, one hundred eleven million, ten thousand, one hundred ninety-seven".