11220102099 has 20 divisors (see below), whose sum is σ = 16962841896. Its totient is φ = 7389942336.

The previous prime is 11220102083. The next prime is 11220102139. The reversal of 11220102099 is 99020102211.

It is not a de Polignac number, because 11220102099 - 2⁴ = 11220102083 is a prime.

It is a super-2 number, since 2×11220102099² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11220102079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 827734 + ... + 841179.

Almost surely, 2^11220102099 is an apocalyptic number.

11220102099 is a deficient number, since it is larger than the sum of its proper divisors (5742739797).

11220102099 is an equidigital number, since it uses as much as digits as its factorization.

11220102099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669008 (or 1668999 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 11220102099 in words is "eleven billion, two hundred twenty million, one hundred two thousand, ninety-nine".