1103420021999 has 2 divisors, whose sum is σ = 1103420022000. Its totient is φ = 1103420021998.

The previous prime is 1103420021939. The next prime is 1103420022037. The reversal of 1103420021999 is 9991200243011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103420021999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103420021909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551710010999 + 551710011000.

It is an arithmetic number, because the mean of its divisors is an integer number (551710011000).

Almost surely, 2^{1103420021999} is an apocalyptic number.

1103420021999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103420021999 is an equidigital number, since it uses as much as digits as its factorization.

1103420021999 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 1103420021999 in words is "one trillion, one hundred three billion, four hundred twenty million, twenty-one thousand, nine hundred ninety-nine".