20110223211001 has 32 divisors (see below), whose sum is σ = 26653398635520. Its totient is φ = 14698565208000.

The previous prime is 20110223210983. The next prime is 20110223211011. The reversal of 20110223211001 is 10011232201102.

It is a cyclic number.

It is not a de Polignac number, because 20110223211001 - 2⁹ = 20110223210489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110223211011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67901151 + ... + 68196676.

It is an arithmetic number, because the mean of its divisors is an integer number (832918707360).

Almost surely, 2^{20110223211001} is an apocalyptic number.

It is an amenable number.

20110223211001 is a deficient number, since it is larger than the sum of its proper divisors (6543175424519).

20110223211001 is a wasteful number, since it uses less digits than its factorization.

20110223211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136097965.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20110223211001 its reverse (10011232201102), we get a palindrome (30121455412103).

The spelling of 20110223211001 in words is "twenty trillion, one hundred ten billion, two hundred twenty-three million, two hundred eleven thousand, one".