222121010207 has 2 divisors, whose sum is σ = 222121010208. Its totient is φ = 222121010206.

The previous prime is 222121010183. The next prime is 222121010213. The reversal of 222121010207 is 702010121222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222121010207 - 2¹⁰ = 222121009183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222121060207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060505103 + 111060505104.

It is an arithmetic number, because the mean of its divisors is an integer number (111060505104).

Almost surely, 2^222121010207 is an apocalyptic number.

222121010207 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121010207 is an equidigital number, since it uses as much as digits as its factorization.

222121010207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 222121010207 its reverse (702010121222), we get a palindrome (924131131429).

The spelling of 222121010207 in words is "two hundred twenty-two billion, one hundred twenty-one million, ten thousand, two hundred seven".