220012110001 has 2 divisors, whose sum is σ = 220012110002. Its totient is φ = 220012110000.

The previous prime is 220012109969. The next prime is 220012110067. The reversal of 220012110001 is 100011210022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172059869601 + 47952240400 = 414801^2 + 218980^2 .

It is a cyclic number.

It is not a de Polignac number, because 220012110001 - 2⁵ = 220012109969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220012110001.

It is not a weakly prime, because it can be changed into another prime (220012110701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006055000 + 110006055001.

It is an arithmetic number, because the mean of its divisors is an integer number (110006055001).

Almost surely, 2^220012110001 is an apocalyptic number.

It is an amenable number.

220012110001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012110001 is an equidigital number, since it uses as much as digits as its factorization.

220012110001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 220012110001 its reverse (100011210022), we get a palindrome (320023320023).

It can be divided in two parts, 2200121 and 10001, that added together give a palindrome (2210122).

The spelling of 220012110001 in words is "two hundred twenty billion, twelve million, one hundred ten thousand, one".