21130111202 has 8 divisors (see below), whose sum is σ = 32232373200. Its totient is φ = 10385986804.

The previous prime is 21130111181. The next prime is 21130111207. The reversal of 21130111202 is 20211103112.

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

It is not an unprimeable number, because it can be changed into a prime (21130111207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89534252 + ... + 89534487.

It is an arithmetic number, because the mean of its divisors is an integer number (4029046650).

Almost surely, 2^21130111202 is an apocalyptic number.

21130111202 is a deficient number, since it is larger than the sum of its proper divisors (11102261998).

21130111202 is a wasteful number, since it uses less digits than its factorization.

21130111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179068800.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21130111202 its reverse (20211103112), we get a palindrome (41341214314).

The spelling of 21130111202 in words is "twenty-one billion, one hundred thirty million, one hundred eleven thousand, two hundred two".