221201120022199 has 4 divisors (see below), whose sum is σ = 222942861124864. Its totient is φ = 219459378919536.

The previous prime is 221201120022193. The next prime is 221201120022247. The reversal of 221201120022199 is 991220021102122.

It is a happy number.

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 221201120022199 - 2³ = 221201120022191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221201120022191) 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, 870870551142 + ... + 870870551395.

It is an arithmetic number, because the mean of its divisors is an integer number (55735715281216).

Almost surely, 2^{221201120022199} is an apocalyptic number.

221201120022199 is a deficient number, since it is larger than the sum of its proper divisors (1741741102665).

221201120022199 is a wasteful number, since it uses less digits than its factorization.

221201120022199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741741102664.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 221201120022199 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred twenty million, twenty-two thousand, one hundred ninety-nine".