20221100110001 has 24 divisors (see below), whose sum is σ = 23963233428000. Its totient is φ = 17008656310464.

The previous prime is 20221100109961. The next prime is 20221100110021. The reversal of 20221100110001 is 10001100112202.

It is a de Polignac number, because none of the positive numbers 2^k-20221100110001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221100110021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4501331 + ... + 7791288.

It is an arithmetic number, because the mean of its divisors is an integer number (998468059500).

Almost surely, 2^{20221100110001} is an apocalyptic number.

It is an amenable number.

20221100110001 is a deficient number, since it is larger than the sum of its proper divisors (3742133317999).

20221100110001 is a wasteful number, since it uses less digits than its factorization.

20221100110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293261 (or 12293254 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20221100110001 its reverse (10001100112202), we get a palindrome (30222200222203).

The spelling of 20221100110001 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, one hundred ten thousand, one".