21133401010003 has 4 divisors (see below), whose sum is σ = 21133410252520. Its totient is φ = 21133391767488.

The previous prime is 21133401009899. The next prime is 21133401010019. The reversal of 21133401010003 is 30001010433112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 21133401010003 - 2⁴¹ = 18934377754451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21133401010903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602883 + ... + 6695971.

It is an arithmetic number, because the mean of its divisors is an integer number (5283352563130).

Almost surely, 2^{21133401010003} is an apocalyptic number.

21133401010003 is a deficient number, since it is larger than the sum of its proper divisors (9242517).

21133401010003 is an equidigital number, since it uses as much as digits as its factorization.

21133401010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242516.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21133401010003 its reverse (30001010433112), we get a palindrome (51134411443115).

The spelling of 21133401010003 in words is "twenty-one trillion, one hundred thirty-three billion, four hundred one million, ten thousand, three".