21113023301010 has 48 divisors (see below), whose sum is σ = 54900415469016. Its totient is φ = 5629467250944.

The previous prime is 21113023301009. The next prime is 21113023301033. The reversal of 21113023301010 is 1010332031112.

21113023301010 is a `hidden beast` number, since 2 + 1 + 11 + 302 + 330 + 10 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9121783212441 + 11991240088569 = 3020229^2 + 3462837^2 .

It is a super-4 number, since 4×21113023301010⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13248049 + ... + 14755908.

Almost surely, 2^{21113023301010} is an apocalyptic number.

21113023301010 is an abundant number, since it is smaller than the sum of its proper divisors (33787392168006).

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

21113023301010 is a wasteful number, since it uses less digits than its factorization.

21113023301010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28012347 (or 28012344 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21113023301010 its reverse (1010332031112), we get a palindrome (22123355332122).

The spelling of 21113023301010 in words is "twenty-one trillion, one hundred thirteen billion, twenty-three million, three hundred one thousand, ten".