2011122111099 has 4 divisors (see below), whose sum is σ = 2681496148136. Its totient is φ = 1340748074064.

The previous prime is 2011122111091. The next prime is 2011122111133. The reversal of 2011122111099 is 9901112211102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2011122111099 - 2³ = 2011122111091 is a prime.

It is a super-2 number, since 2×2011122111099² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011122111091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335187018514 + ... + 335187018519.

It is an arithmetic number, because the mean of its divisors is an integer number (670374037034).

Almost surely, 2^{2011122111099} is an apocalyptic number.

2011122111099 is a deficient number, since it is larger than the sum of its proper divisors (670374037037).

2011122111099 is an equidigital number, since it uses as much as digits as its factorization.

2011122111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670374037036.

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 2011122111099 in words is "two trillion, eleven billion, one hundred twenty-two million, one hundred eleven thousand, ninety-nine".