2210021003 has 2 divisors, whose sum is σ = 2210021004. Its totient is φ = 2210021002.

The previous prime is 2210020999. The next prime is 2210021027. The reversal of 2210021003 is 3001200122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2210021003 - 2² = 2210020999 is a prime.

It is a super-2 number, since 2×2210021003² = 9768385667402252018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2210021503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105010501 + 1105010502.

It is an arithmetic number, because the mean of its divisors is an integer number (1105010502).

Almost surely, 2^2210021003 is an apocalyptic number.

2210021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210021003 is an equidigital number, since it uses as much as digits as its factorization.

2210021003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2210021003 is about 47010.8604792552. The cubic root of 2210021003 is about 1302.5631880516.

Adding to 2210021003 its reverse (3001200122), we get a palindrome (5211221125).

The spelling of 2210021003 in words is "two billion, two hundred ten million, twenty-one thousand, three".