220012020011501 has 2 divisors, whose sum is σ = 220012020011502. Its totient is φ = 220012020011500.

The previous prime is 220012020011491. The next prime is 220012020011557. The reversal of 220012020011501 is 105110020210022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219930412662601 + 81607348900 = 14830051^2 + 285670^2 .

It is a cyclic number.

It is not a de Polignac number, because 220012020011501 - 2⁴⁶ = 149643275833837 is a prime.

It is a super-2 number, since 2×220012020011501² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220012020011501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220012020011801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006010005750 + 110006010005751.

It is an arithmetic number, because the mean of its divisors is an integer number (110006010005751).

Almost surely, 2^{220012020011501} is an apocalyptic number.

It is an amenable number.

220012020011501 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012020011501 is an equidigital number, since it uses as much as digits as its factorization.

220012020011501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 220012020011501 its reverse (105110020210022), we get a palindrome (325122040221523).

The spelling of 220012020011501 in words is "two hundred twenty trillion, twelve billion, twenty million, eleven thousand, five hundred one".