222121020199 has 4 divisors (see below), whose sum is σ = 239207252536. Its totient is φ = 205034787864.

The previous prime is 222121020181. The next prime is 222121020221. The reversal of 222121020199 is 991020121222.

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 222121020199 - 2¹³ = 222121012007 is a prime.

It is a super-2 number, since 2×222121020199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222121020199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121020799) 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 3 ways as a sum of consecutive naturals, for example, 8543116149 + ... + 8543116174.

It is an arithmetic number, because the mean of its divisors is an integer number (59801813134).

Almost surely, 2^222121020199 is an apocalyptic number.

222121020199 is a deficient number, since it is larger than the sum of its proper divisors (17086232337).

222121020199 is a wasteful number, since it uses less digits than its factorization.

222121020199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17086232336.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 222121020199 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, one hundred ninety-nine".