20202221110001 has 8 divisors (see below), whose sum is σ = 23097900962304. Its totient is φ = 17308953324000.

The previous prime is 20202221109991. The next prime is 20202221110037. The reversal of 20202221110001 is 10001112220202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202221110001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202221110081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602998625 + ... + 603032126.

It is an arithmetic number, because the mean of its divisors is an integer number (2887237620288).

Almost surely, 2^{20202221110001} is an apocalyptic number.

It is an amenable number.

20202221110001 is a deficient number, since it is larger than the sum of its proper divisors (2895679852303).

20202221110001 is a wasteful number, since it uses less digits than its factorization.

20202221110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206033151.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202221110001 its reverse (10001112220202), we get a palindrome (30203333330203).

The spelling of 20202221110001 in words is "twenty trillion, two hundred two billion, two hundred twenty-one million, one hundred ten thousand, one".