21112200119 has 2 divisors, whose sum is σ = 21112200120. Its totient is φ = 21112200118.

The previous prime is 21112200107. The next prime is 21112200139. The reversal of 21112200119 is 91100221112.

It is an a-pointer prime, because the next prime (21112200139) can be obtained adding 21112200119 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21112200119 is a prime.

It is a super-2 number, since 2×21112200119² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21112200119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112200139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556100059 + 10556100060.

It is an arithmetic number, because the mean of its divisors is an integer number (10556100060).

Almost surely, 2^21112200119 is an apocalyptic number.

21112200119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112200119 is an equidigital number, since it uses as much as digits as its factorization.

21112200119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 21112200119 in words is "twenty-one billion, one hundred twelve million, two hundred thousand, one hundred nineteen".