21230200113 has 16 divisors (see below), whose sum is σ = 28812412800. Its totient is φ = 13902210560.

The previous prime is 21230200109. The next prime is 21230200157. The reversal of 21230200113 is 31100203212.

It is a cyclic number.

It is not a de Polignac number, because 21230200113 - 2² = 21230200109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21230200092 and 21230200101.

It is not an unprimeable number, because it can be changed into a prime (21230200193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127968 + ... + 242561.

It is an arithmetic number, because the mean of its divisors is an integer number (1800775800).

Almost surely, 2^21230200113 is an apocalyptic number.

It is an amenable number.

21230200113 is a deficient number, since it is larger than the sum of its proper divisors (7582212687).

21230200113 is a wasteful number, since it uses less digits than its factorization.

21230200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370872.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21230200113 its reverse (31100203212), we get a palindrome (52330403325).

The spelling of 21230200113 in words is "twenty-one billion, two hundred thirty million, two hundred thousand, one hundred thirteen".