221222212210003 has 2 divisors, whose sum is σ = 221222212210004. Its totient is φ = 221222212210002.

The previous prime is 221222212209967. The next prime is 221222212210049. The reversal of 221222212210003 is 300012212222122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221222212210003 - 2⁹ = 221222212209491 is a prime.

It is not a weakly prime, because it can be changed into another prime (221222212213003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110611106105001 + 110611106105002.

It is an arithmetic number, because the mean of its divisors is an integer number (110611106105002).

Almost surely, 2^{221222212210003} is an apocalyptic number.

221222212210003 is a deficient number, since it is larger than the sum of its proper divisors (1).

221222212210003 is an equidigital number, since it uses as much as digits as its factorization.

221222212210003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221222212210003 its reverse (300012212222122), we get a palindrome (521234424432125).

The spelling of 221222212210003 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred ten thousand, three".