2011112021099 has 2 divisors, whose sum is σ = 2011112021100. Its totient is φ = 2011112021098.

The previous prime is 2011112021063. The next prime is 2011112021153. The reversal of 2011112021099 is 9901202111102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011112021099 is a prime.

It is a super-2 number, since 2×2011112021099² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011112021059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005556010549 + 1005556010550.

It is an arithmetic number, because the mean of its divisors is an integer number (1005556010550).

Almost surely, 2^{2011112021099} is an apocalyptic number.

2011112021099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011112021099 is an equidigital number, since it uses as much as digits as its factorization.

2011112021099 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 2011112021099 in words is "two trillion, eleven billion, one hundred twelve million, twenty-one thousand, ninety-nine".