1222112220201 has 8 divisors (see below), whose sum is σ = 1810536622560. Its totient is φ = 814741480116.

The previous prime is 1222112220191. The next prime is 1222112220253. The reversal of 1222112220201 is 1020222112221.

It is a happy number.

1222112220201 is a `hidden beast` number, since 12 + 221 + 12 + 220 + 201 = 666.

It is not a de Polignac number, because 1222112220201 - 2¹⁵ = 1222112187433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222112220281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22631707755 + ... + 22631707808.

It is an arithmetic number, because the mean of its divisors is an integer number (226317077820).

Almost surely, 2^{1222112220201} is an apocalyptic number.

It is an amenable number.

1222112220201 is a deficient number, since it is larger than the sum of its proper divisors (588424402359).

1222112220201 is an equidigital number, since it uses as much as digits as its factorization.

1222112220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45263415572 (or 45263415566 counting only the distinct ones).

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

Adding to 1222112220201 its reverse (1020222112221), we get a palindrome (2242334332422).

The spelling of 1222112220201 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, two hundred one".