222121010003 has 2 divisors, whose sum is σ = 222121010004. Its totient is φ = 222121010002.

The previous prime is 222121009973. The next prime is 222121010047. The reversal of 222121010003 is 300010121222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222121010003 - 2¹⁸ = 222120747859 is a prime.

It is a super-3 number, since 3×222121010003³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222121010003.

It is not a weakly prime, because it can be changed into another prime (222121010303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060505001 + 111060505002.

It is an arithmetic number, because the mean of its divisors is an integer number (111060505002).

Almost surely, 2^222121010003 is an apocalyptic number.

222121010003 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121010003 is an equidigital number, since it uses as much as digits as its factorization.

222121010003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 222121010003 its reverse (300010121222), we get a palindrome (522131131225).

The spelling of 222121010003 in words is "two hundred twenty-two billion, one hundred twenty-one million, ten thousand, three".