20021120110201 has 16 divisors (see below), whose sum is σ = 22906544736640. Its totient is φ = 17142018284160.

The previous prime is 20021120110163. The next prime is 20021120110253. The reversal of 20021120110201 is 10201102112002.

It is not a de Polignac number, because 20021120110201 - 2⁷ = 20021120110073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021120110301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36245650 + ... + 36793876.

It is an arithmetic number, because the mean of its divisors is an integer number (1431659046040).

Almost surely, 2^{20021120110201} is an apocalyptic number.

It is an amenable number.

20021120110201 is a deficient number, since it is larger than the sum of its proper divisors (2885424626439).

20021120110201 is a wasteful number, since it uses less digits than its factorization.

20021120110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553984.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20021120110201 its reverse (10201102112002), we get a palindrome (30222222222203).

The spelling of 20021120110201 in words is "twenty trillion, twenty-one billion, one hundred twenty million, one hundred ten thousand, two hundred one".