21311401132103 has 8 divisors (see below), whose sum is σ = 22048497723600. Its totient is φ = 20574452586688.

The previous prime is 21311401132093. The next prime is 21311401132121. The reversal of 21311401132103 is 30123110411312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21311401132103 - 2⁶ = 21311401132039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21311101132103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36718601 + ... + 37294482.

It is an arithmetic number, because the mean of its divisors is an integer number (2756062215450).

Almost surely, 2^{21311401132103} is an apocalyptic number.

21311401132103 is a deficient number, since it is larger than the sum of its proper divisors (737096591497).

21311401132103 is an equidigital number, since it uses as much as digits as its factorization.

21311401132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74023041.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 21311401132103 its reverse (30123110411312), we get a palindrome (51434511543415).

The spelling of 21311401132103 in words is "twenty-one trillion, three hundred eleven billion, four hundred one million, one hundred thirty-two thousand, one hundred three".