20212101002003 has 2 divisors, whose sum is σ = 20212101002004. Its totient is φ = 20212101002002.

The previous prime is 20212101001987. The next prime is 20212101002053. The reversal of 20212101002003 is 30020010121202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212101002003 - 2⁴ = 20212101001987 is a prime.

It is a super-2 number, since 2×20212101002003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20212101002053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106050501001 + 10106050501002.

It is an arithmetic number, because the mean of its divisors is an integer number (10106050501002).

Almost surely, 2^{20212101002003} is an apocalyptic number.

20212101002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212101002003 is an equidigital number, since it uses as much as digits as its factorization.

20212101002003 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 20212101002003 its reverse (30020010121202), we get a palindrome (50232111123205).

The spelling of 20212101002003 in words is "twenty trillion, two hundred twelve billion, one hundred one million, two thousand, three".