230100203021 has 16 divisors (see below), whose sum is σ = 249373748736. Its totient is φ = 211052842176.

The previous prime is 230100203017. The next prime is 230100203029. The reversal of 230100203021 is 120302001032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 230100203021 - 2² = 230100203017 is a prime.

It is a super-2 number, since 2×230100203021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230100202987 and 230100203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230100203029) 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, 4071866 + ... + 4127988.

It is an arithmetic number, because the mean of its divisors is an integer number (15585859296).

Almost surely, 2^230100203021 is an apocalyptic number.

It is an amenable number.

230100203021 is a deficient number, since it is larger than the sum of its proper divisors (19273545715).

230100203021 is a wasteful number, since it uses less digits than its factorization.

230100203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58132.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 230100203021 its reverse (120302001032), we get a palindrome (350402204053).

The spelling of 230100203021 in words is "two hundred thirty billion, one hundred million, two hundred three thousand, twenty-one".