220210021061 has 2 divisors, whose sum is σ = 220210021062. Its totient is φ = 220210021060.

The previous prime is 220210021001. The next prime is 220210021099. The reversal of 220210021061 is 160120012022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210855456100 + 9354564961 = 459190^2 + 96719^2 .

It is a cyclic number.

It is not a de Polignac number, because 220210021061 - 2¹⁸ = 220209758917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220210021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105010530 + 110105010531.

It is an arithmetic number, because the mean of its divisors is an integer number (110105010531).

Almost surely, 2^220210021061 is an apocalyptic number.

It is an amenable number.

220210021061 is a deficient number, since it is larger than the sum of its proper divisors (1).

220210021061 is an equidigital number, since it uses as much as digits as its factorization.

220210021061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220210021061 its reverse (160120012022), we get a palindrome (380330033083).

The spelling of 220210021061 in words is "two hundred twenty billion, two hundred ten million, twenty-one thousand, sixty-one".