21111201314 has 64 divisors (see below), whose sum is σ = 39341998080. Its totient is φ = 8297847360.

The previous prime is 21111201299. The next prime is 21111201487. The reversal of 21111201314 is 41310211112.

It is a junction number, because it is equal to n+sod(n) for n = 21111201292 and 21111201301.

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 31 ways as a sum of consecutive naturals, for example, 1078337 + ... + 1097739.

It is an arithmetic number, because the mean of its divisors is an integer number (614718720).

Almost surely, 2^21111201314 is an apocalyptic number.

21111201314 is a deficient number, since it is larger than the sum of its proper divisors (18230796766).

21111201314 is a wasteful number, since it uses less digits than its factorization.

21111201314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19575.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 21111201314 its reverse (41310211112), we get a palindrome (62421412426).

The spelling of 21111201314 in words is "twenty-one billion, one hundred eleven million, two hundred one thousand, three hundred fourteen".