21130233111300 has 576 divisors, whose sum is σ = 68652879934464. Its totient is φ = 4994305228800.

The previous prime is 21130233111293. The next prime is 21130233111371. The reversal of 21130233111300 is 311133203112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 717407374 + ... + 717436826.

It is an arithmetic number, because the mean of its divisors is an integer number (119189027664).

Almost surely, 2^{21130233111300} is an apocalyptic number.

21130233111300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21130233111300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34326439967232).

21130233111300 is an abundant number, since it is smaller than the sum of its proper divisors (47522646823164).

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

21130233111300 is a wasteful number, since it uses less digits than its factorization.

21130233111300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29648 (or 29641 counting only the distinct ones).

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

Adding to 21130233111300 its reverse (311133203112), we get a palindrome (21441366314412).

The spelling of 21130233111300 in words is "twenty-one trillion, one hundred thirty billion, two hundred thirty-three million, one hundred eleven thousand, three hundred".