20202111202201 has 8 divisors (see below), whose sum is σ = 20530346294304. Its totient is φ = 19875896018880.

The previous prime is 20202111202183. The next prime is 20202111202249. The reversal of 20202111202201 is 10220211120202.

It is a happy number.

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 20202111202201 - 2²⁷ = 20201976984473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202111202261) 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, 504957031 + ... + 504997036.

It is an arithmetic number, because the mean of its divisors is an integer number (2566293286788).

Almost surely, 2^{20202111202201} is an apocalyptic number.

It is an amenable number.

20202111202201 is a deficient number, since it is larger than the sum of its proper divisors (328235092103).

20202111202201 is a wasteful number, since it uses less digits than its factorization.

20202111202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009954391.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20202111202201 its reverse (10220211120202), we get a palindrome (30422322322403).

The spelling of 20202111202201 in words is "twenty trillion, two hundred two billion, one hundred eleven million, two hundred two thousand, two hundred one".