2111021099983 has 2 divisors, whose sum is σ = 2111021099984. Its totient is φ = 2111021099982.

The previous prime is 2111021099981. The next prime is 2111021099989. The reversal of 2111021099983 is 3899901201112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111021099983 - 2¹ = 2111021099981 is a prime.

Together with 2111021099981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111021099981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055510549991 + 1055510549992.

It is an arithmetic number, because the mean of its divisors is an integer number (1055510549992).

Almost surely, 2^{2111021099983} is an apocalyptic number.

2111021099983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111021099983 is an equidigital number, since it uses as much as digits as its factorization.

2111021099983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 2111021099983 in words is "two trillion, one hundred eleven billion, twenty-one million, ninety-nine thousand, nine hundred eighty-three".