22101199943 has 2 divisors, whose sum is σ = 22101199944. Its totient is φ = 22101199942.

The previous prime is 22101199909. The next prime is 22101199957. The reversal of 22101199943 is 34999110122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22101199943 - 2¹⁸ = 22100937799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22101199943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101199903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050599971 + 11050599972.

It is an arithmetic number, because the mean of its divisors is an integer number (11050599972).

Almost surely, 2^22101199943 is an apocalyptic number.

22101199943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101199943 is an equidigital number, since it uses as much as digits as its factorization.

22101199943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 22101199943 in words is "twenty-two billion, one hundred one million, one hundred ninety-nine thousand, nine hundred forty-three".