21113200099963 has 2 divisors, whose sum is σ = 21113200099964. Its totient is φ = 21113200099962.

The previous prime is 21113200099939. The next prime is 21113200100059. The reversal of 21113200099963 is 36999000231112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21113200099963 - 2²⁵ = 21113166545531 is a prime.

It is a super-2 number, since 2×21113200099963² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21113200099363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556600049981 + 10556600049982.

It is an arithmetic number, because the mean of its divisors is an integer number (10556600049982).

Almost surely, 2^{21113200099963} is an apocalyptic number.

21113200099963 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113200099963 is an equidigital number, since it uses as much as digits as its factorization.

21113200099963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 21113200099963 in words is "twenty-one trillion, one hundred thirteen billion, two hundred million, ninety-nine thousand, nine hundred sixty-three".