21103301031301 has 16 divisors (see below), whose sum is σ = 22930825730560. Its totient is φ = 19347472520640.

The previous prime is 21103301031257. The next prime is 21103301031311. The reversal of 21103301031301 is 10313010330112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21103301031301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103301031311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99008695 + ... + 99221611.

It is an arithmetic number, because the mean of its divisors is an integer number (1433176608160).

Almost surely, 2^{21103301031301} is an apocalyptic number.

It is an amenable number.

21103301031301 is a deficient number, since it is larger than the sum of its proper divisors (1827524699259).

21103301031301 is a wasteful number, since it uses less digits than its factorization.

21103301031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381244.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 21103301031301 its reverse (10313010330112), we get a palindrome (31416311361413).

The spelling of 21103301031301 in words is "twenty-one trillion, one hundred three billion, three hundred one million, thirty-one thousand, three hundred one".