111002120021099 has 2 divisors, whose sum is σ = 111002120021100. Its totient is φ = 111002120021098.

The previous prime is 111002120021069. The next prime is 111002120021113. The reversal of 111002120021099 is 990120021200111.

It is a strong prime.

It is an emirp because it is prime and its reverse (990120021200111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111002120021099 - 2²⁴ = 111002103243883 is a prime.

It is not a weakly prime, because it can be changed into another prime (111002120021029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501060010549 + 55501060010550.

It is an arithmetic number, because the mean of its divisors is an integer number (55501060010550).

Almost surely, 2^{111002120021099} is an apocalyptic number.

111002120021099 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002120021099 is an equidigital number, since it uses as much as digits as its factorization.

111002120021099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 111002120021099 in words is "one hundred eleven trillion, two billion, one hundred twenty million, twenty-one thousand, ninety-nine".