12211122099 has 64 divisors (see below), whose sum is σ = 18659870208. Its totient is φ = 7037568000.

The previous prime is 12211122097. The next prime is 12211122101. The reversal of 12211122099 is 99022111221.

It is an interprime number because it is at equal distance from previous prime (12211122097) and next prime (12211122101).

It is not a de Polignac number, because 12211122099 - 2¹ = 12211122097 is a prime.

It is a super-2 number, since 2×12211122099² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211122097) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10235047 + ... + 10236239.

It is an arithmetic number, because the mean of its divisors is an integer number (291560472).

Almost surely, 2^12211122099 is an apocalyptic number.

12211122099 is a deficient number, since it is larger than the sum of its proper divisors (6448748109).

12211122099 is a wasteful number, since it uses less digits than its factorization.

12211122099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 12211122099 in words is "twelve billion, two hundred eleven million, one hundred twenty-two thousand, ninety-nine".