21101301130 has 48 divisors (see below), whose sum is σ = 47004378624. Its totient is φ = 6678210240.

The previous prime is 21101301071. The next prime is 21101301149. The reversal of 21101301130 is 3110310112.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 21101301130.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 880026 + ... + 903685.

It is an arithmetic number, because the mean of its divisors is an integer number (979257888).

Almost surely, 2^21101301130 is an apocalyptic number.

21101301130 is an abundant number, since it is smaller than the sum of its proper divisors (25903077494).

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

21101301130 is a wasteful number, since it uses less digits than its factorization.

21101301130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783751 (or 1783738 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21101301130 its reverse (3110310112), we get a palindrome (24211611242).

The spelling of 21101301130 in words is "twenty-one billion, one hundred one million, three hundred one thousand, one hundred thirty".