1220122221199 has 16 divisors (see below), whose sum is σ = 1439834720256. Its totient is φ = 1011782109600.

The previous prime is 1220122221193. The next prime is 1220122221223. The reversal of 1220122221199 is 9911222210221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1220122221199 - 2⁵ = 1220122221167 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 (1220122221193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102472 + ... + 1565485.

It is an arithmetic number, because the mean of its divisors is an integer number (89989670016).

Almost surely, 2^{1220122221199} is an apocalyptic number.

1220122221199 is a deficient number, since it is larger than the sum of its proper divisors (219712499057).

1220122221199 is a wasteful number, since it uses less digits than its factorization.

1220122221199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671366.

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

The spelling of 1220122221199 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ninety-nine".