21300111322312 has 128 divisors (see below), whose sum is σ = 42729822720000. Its totient is φ = 9925361360640.

The previous prime is 21300111322247. The next prime is 21300111322397. The reversal of 21300111322312 is 21322311100312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2059369413 + ... + 2059379755.

It is an arithmetic number, because the mean of its divisors is an integer number (333826740000).

Almost surely, 2^{21300111322312} is an apocalyptic number.

It is an amenable number.

21300111322312 is an abundant number, since it is smaller than the sum of its proper divisors (21429711397688).

21300111322312 is a wasteful number, since it uses less digits than its factorization.

21300111322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331 (or 11327 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21300111322312 its reverse (21322311100312), we get a palindrome (42622422422624).

The spelling of 21300111322312 in words is "twenty-one trillion, three hundred billion, one hundred eleven million, three hundred twenty-two thousand, three hundred twelve".