220002121211101 has 2 divisors, whose sum is σ = 220002121211102. Its totient is φ = 220002121211100.

The previous prime is 220002121211039. The next prime is 220002121211161. The reversal of 220002121211101 is 101112121200022.

220002121211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164863699685476 + 55138421525625 = 12839926^2 + 7425525^2 .

It is a cyclic number.

It is not a de Polignac number, because 220002121211101 - 2⁹ = 220002121210589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220002121211161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001060605550 + 110001060605551.

It is an arithmetic number, because the mean of its divisors is an integer number (110001060605551).

Almost surely, 2^{220002121211101} is an apocalyptic number.

It is an amenable number.

220002121211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002121211101 is an equidigital number, since it uses as much as digits as its factorization.

220002121211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220002121211101 its reverse (101112121200022), we get a palindrome (321114242411123).

The spelling of 220002121211101 in words is "two hundred twenty trillion, two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred one".