221120001099 has 12 divisors (see below), whose sum is σ = 319401916912. Its totient is φ = 147410398800.

The previous prime is 221120001061. The next prime is 221120001149. The reversal of 221120001099 is 990100021122.

It is not a de Polignac number, because 221120001099 - 2⁷ = 221120000971 is a prime.

It is a super-2 number, since 2×221120001099² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221120001019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295194 + ... + 727584.

Almost surely, 2^221120001099 is an apocalyptic number.

221120001099 is a deficient number, since it is larger than the sum of its proper divisors (98281915813).

221120001099 is a wasteful number, since it uses less digits than its factorization.

221120001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489218 (or 489215 counting only the distinct ones).

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

The spelling of 221120001099 in words is "two hundred twenty-one billion, one hundred twenty million, one thousand, ninety-nine".