1222221110199 has 4 divisors (see below), whose sum is σ = 1629628146936. Its totient is φ = 814814073464.

The previous prime is 1222221110189. The next prime is 1222221110203. The reversal of 1222221110199 is 9910111222221.

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 1222221110199 - 2¹³ = 1222221102007 is a prime.

It is a super-2 number, since 2×1222221110199² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222221110189) 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, 203703518364 + ... + 203703518369.

It is an arithmetic number, because the mean of its divisors is an integer number (407407036734).

Almost surely, 2^{1222221110199} is an apocalyptic number.

1222221110199 is a deficient number, since it is larger than the sum of its proper divisors (407407036737).

1222221110199 is an equidigital number, since it uses as much as digits as its factorization.

1222221110199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407407036736.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 1222221110199 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, one hundred ninety-nine".