21150036200003 has 2 divisors, whose sum is σ = 21150036200004. Its totient is φ = 21150036200002.

The previous prime is 21150036199997. The next prime is 21150036200021. The reversal of 21150036200003 is 30000263005112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21150036200003 - 2³⁴ = 21132856330819 is a prime.

It is a super-2 number, since 2×21150036200003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21150036200203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10575018100001 + 10575018100002.

It is an arithmetic number, because the mean of its divisors is an integer number (10575018100002).

Almost surely, 2^{21150036200003} is an apocalyptic number.

21150036200003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21150036200003 is an equidigital number, since it uses as much as digits as its factorization.

21150036200003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 21150036200003 its reverse (30000263005112), we get a palindrome (51150299205115).

The spelling of 21150036200003 in words is "twenty-one trillion, one hundred fifty billion, thirty-six million, two hundred thousand, three".