1222220112201 has 32 divisors (see below), whose sum is σ = 1975498170240. Its totient is φ = 740667110400.

The previous prime is 1222220112193. The next prime is 1222220112247. The reversal of 1222220112201 is 1022110222221.

It is a happy number.

1222220112201 is a `hidden beast` number, since 1 + 222 + 220 + 1 + 1 + 220 + 1 = 666.

It is not a de Polignac number, because 1222220112201 - 2³ = 1222220112193 is a prime.

It is a super-3 number, since 3×1222220112201³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222220112301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2926641 + ... + 3318081.

It is an arithmetic number, because the mean of its divisors is an integer number (61734317820).

Almost surely, 2^{1222220112201} is an apocalyptic number.

1222220112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222220112201 is a deficient number, since it is larger than the sum of its proper divisors (753278058039).

1222220112201 is a wasteful number, since it uses less digits than its factorization.

1222220112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401974 (or 401968 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222220112201 its reverse (1022110222221), we get a palindrome (2244330334422).

The spelling of 1222220112201 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, two hundred one".