21110230301 has 32 divisors (see below), whose sum is σ = 23454452736. Its totient is φ = 18930931200.

The previous prime is 21110230291. The next prime is 21110230303. The reversal of 21110230301 is 10303201112.

It is not a de Polignac number, because 21110230301 - 2⁶ = 21110230237 is a prime.

It is a super-2 number, since 2×21110230301² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110230303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36970346 + ... + 36970916.

It is an arithmetic number, because the mean of its divisors is an integer number (732951648).

Almost surely, 2^21110230301 is an apocalyptic number.

It is an amenable number.

21110230301 is a deficient number, since it is larger than the sum of its proper divisors (2344222435).

21110230301 is an frugal number, since it uses more digits than its factorization.

21110230301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21110230301 its reverse (10303201112), we get a palindrome (31413431413).

The spelling of 21110230301 in words is "twenty-one billion, one hundred ten million, two hundred thirty thousand, three hundred one".