220112002132021 has 2 divisors, whose sum is σ = 220112002132022. Its totient is φ = 220112002132020.

The previous prime is 220112002132003. The next prime is 220112002132153. The reversal of 220112002132021 is 120231200211022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184005291171025 + 36106710960996 = 13564855^2 + 6008886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220112002132021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220112002132021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220112002133021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056001066010 + 110056001066011.

It is an arithmetic number, because the mean of its divisors is an integer number (110056001066011).

Almost surely, 2^{220112002132021} is an apocalyptic number.

It is an amenable number.

220112002132021 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112002132021 is an equidigital number, since it uses as much as digits as its factorization.

220112002132021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220112002132021 its reverse (120231200211022), we get a palindrome (340343202343043).

The spelling of 220112002132021 in words is "two hundred twenty trillion, one hundred twelve billion, two million, one hundred thirty-two thousand, twenty-one".