221202119 has 2 divisors, whose sum is σ = 221202120. Its totient is φ = 221202118.

The previous prime is 221202077. The next prime is 221202131. The reversal of 221202119 is 911202122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221202119 - 2¹² = 221198023 is a prime.

It is a super-2 number, since 2×221202119² = 97860754900180322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221202119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224202119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110601059 + 110601060.

It is an arithmetic number, because the mean of its divisors is an integer number (110601060).

Almost surely, 2^221202119 is an apocalyptic number.

221202119 is a deficient number, since it is larger than the sum of its proper divisors (1).

221202119 is an equidigital number, since it uses as much as digits as its factorization.

221202119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 221202119 is about 14872.8651913476. The cubic root of 221202119 is about 604.7786171774.

The spelling of 221202119 in words is "two hundred twenty-one million, two hundred two thousand, one hundred nineteen".