21301123011330 has 32 divisors (see below), whose sum is σ = 51123272300928. Its totient is φ = 5680235350400.

The previous prime is 21301123011299. The next prime is 21301123011347. The reversal of 21301123011330 is 3311032110312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21301123011297 and 21301123011306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274931 + ... + 6650390.

It is an arithmetic number, because the mean of its divisors is an integer number (1597602259404).

Almost surely, 2^{21301123011330} is an apocalyptic number.

21301123011330 is an abundant number, since it is smaller than the sum of its proper divisors (29822149289598).

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

21301123011330 is a wasteful number, since it uses less digits than its factorization.

21301123011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014922.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21301123011330 its reverse (3311032110312), we get a palindrome (24612155121642).

The spelling of 21301123011330 in words is "twenty-one trillion, three hundred one billion, one hundred twenty-three million, eleven thousand, three hundred thirty".