210220001212231 has 2 divisors, whose sum is σ = 210220001212232. Its totient is φ = 210220001212230.

The previous prime is 210220001212213. The next prime is 210220001212279. The reversal of 210220001212231 is 132212100022012.

Together with previous prime (210220001212213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210220001212231 - 2¹¹ = 210220001210183 is a prime.

It is a super-2 number, since 2×210220001212231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210220001212199 and 210220001212208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210220001212631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110000606115 + 105110000606116.

It is an arithmetic number, because the mean of its divisors is an integer number (105110000606116).

Almost surely, 2^{210220001212231} is an apocalyptic number.

210220001212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

210220001212231 is an equidigital number, since it uses as much as digits as its factorization.

210220001212231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 210220001212231 its reverse (132212100022012), we get a palindrome (342432101234243).

The spelling of 210220001212231 in words is "two hundred ten trillion, two hundred twenty billion, one million, two hundred twelve thousand, two hundred thirty-one".