100121210003 has 2 divisors, whose sum is σ = 100121210004. Its totient is φ = 100121210002.

The previous prime is 100121209957. The next prime is 100121210039. The reversal of 100121210003 is 300012121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100121210003 - 2²² = 100117015699 is a prime.

It is not a weakly prime, because it can be changed into another prime (100121210503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060605001 + 50060605002.

It is an arithmetic number, because the mean of its divisors is an integer number (50060605002).

Almost surely, 2^100121210003 is an apocalyptic number.

100121210003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121210003 is an equidigital number, since it uses as much as digits as its factorization.

100121210003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100121210003 its reverse (300012121001), we get a palindrome (400133331004).

The spelling of 100121210003 in words is "one hundred billion, one hundred twenty-one million, two hundred ten thousand, three".