221141099 has 4 divisors (see below), whose sum is σ = 221928360. Its totient is φ = 220353840.

The previous prime is 221141093. The next prime is 221141101. The reversal of 221141099 is 990141122.

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

It is a cyclic number.

It is not a de Polignac number, because 221141099 - 2²⁴ = 204363883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221141093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393209 + ... + 393770.

It is an arithmetic number, because the mean of its divisors is an integer number (55482090).

Almost surely, 2^221141099 is an apocalyptic number.

221141099 is a deficient number, since it is larger than the sum of its proper divisors (787261).

221141099 is an equidigital number, since it uses as much as digits as its factorization.

221141099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787260.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 221141099 is about 14870.8136630112. The cubic root of 221141099 is about 604.7230013975.

The spelling of 221141099 in words is "two hundred twenty-one million, one hundred forty-one thousand, ninety-nine".