21130140300 has 36 divisors (see below), whose sum is σ = 61136540136. Its totient is φ = 5634704000.

The previous prime is 21130140287. The next prime is 21130140347. The reversal of 21130140300 is 304103112.

It is a super-3 number, since 3×21130140300³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 21130140300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35216601 + ... + 35217200.

It is an arithmetic number, because the mean of its divisors is an integer number (1698237226).

Almost surely, 2^21130140300 is an apocalyptic number.

21130140300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130140300 is an abundant number, since it is smaller than the sum of its proper divisors (40006399836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21130140300 is a wasteful number, since it uses less digits than its factorization.

21130140300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70433818 (or 70433811 counting only the distinct ones).

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

Adding to 21130140300 its reverse (304103112), we get a palindrome (21434243412).

The spelling of 21130140300 in words is "twenty-one billion, one hundred thirty million, one hundred forty thousand, three hundred".