220110022002001 has 4 divisors (see below), whose sum is σ = 220137259978404. Its totient is φ = 220082784025600.

The previous prime is 220110022001993. The next prime is 220110022002061. The reversal of 220110022002001 is 100200220011022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50416020979776 + 169694001022225 = 7100424^2 + 13026665^2 .

It is a cyclic number.

It is not a de Polignac number, because 220110022002001 - 2³ = 220110022001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220110022002061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13618976080 + ... + 13618992241.

It is an arithmetic number, because the mean of its divisors is an integer number (55034314994601).

Almost surely, 2^{220110022002001} is an apocalyptic number.

It is an amenable number.

220110022002001 is a deficient number, since it is larger than the sum of its proper divisors (27237976403).

220110022002001 is an equidigital number, since it uses as much as digits as its factorization.

220110022002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27237976402.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220110022002001 its reverse (100200220011022), we get a palindrome (320310242013023).

The spelling of 220110022002001 in words is "two hundred twenty trillion, one hundred ten billion, twenty-two million, two thousand, one".