111021122099 has 2 divisors, whose sum is σ = 111021122100. Its totient is φ = 111021122098.

The previous prime is 111021122087. The next prime is 111021122111. The reversal of 111021122099 is 990221120111.

It is a balanced prime because it is at equal distance from previous prime (111021122087) and next prime (111021122111).

It is a cyclic number.

It is not a de Polignac number, because 111021122099 - 2⁴ = 111021122083 is a prime.

It is not a weakly prime, because it can be changed into another prime (111021122039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510561049 + 55510561050.

It is an arithmetic number, because the mean of its divisors is an integer number (55510561050).

Almost surely, 2^111021122099 is an apocalyptic number.

111021122099 is a deficient number, since it is larger than the sum of its proper divisors (1).

111021122099 is an equidigital number, since it uses as much as digits as its factorization.

111021122099 is an evil number, because the sum of its binary digits is even.

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

The spelling of 111021122099 in words is "one hundred eleven billion, twenty-one million, one hundred twenty-two thousand, ninety-nine".