100221211003 has 2 divisors, whose sum is σ = 100221211004. Its totient is φ = 100221211002.

The previous prime is 100221210989. The next prime is 100221211043. The reversal of 100221211003 is 300112122001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100221211003 - 2¹³ = 100221202811 is a prime.

It is a super-2 number, since 2×100221211003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100221211043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110605501 + 50110605502.

It is an arithmetic number, because the mean of its divisors is an integer number (50110605502).

Almost surely, 2^100221211003 is an apocalyptic number.

100221211003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221211003 is an equidigital number, since it uses as much as digits as its factorization.

100221211003 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 13.

Adding to 100221211003 its reverse (300112122001), we get a palindrome (400333333004).

It can be divided in two parts, 10022 and 1211003, that added together give a square (1221025 = 1105²).

The spelling of 100221211003 in words is "one hundred billion, two hundred twenty-one million, two hundred eleven thousand, three".