21110001130 has 8 divisors (see below), whose sum is σ = 37998002052. Its totient is φ = 8444000448.

The previous prime is 21110001103. The next prime is 21110001131. The reversal of 21110001130 is 3110001112.

It can be written as a sum of positive squares in 2 ways, for example, as 19011170161 + 2098830969 = 137881^2 + 45813^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2111000113 = 21110001130 / (2 + 1 + 1 + 1 + 0 + 0 + 0 + 1 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (21110001131) 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, 1055500047 + ... + 1055500066.

Almost surely, 2^21110001130 is an apocalyptic number.

21110001130 is a deficient number, since it is larger than the sum of its proper divisors (16888000922).

21110001130 is a wasteful number, since it uses less digits than its factorization.

21110001130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111000120.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 21110001130 its reverse (3110001112), we get a palindrome (24220002242).

The spelling of 21110001130 in words is "twenty-one billion, one hundred ten million, one thousand, one hundred thirty".