1122220221201 has 12 divisors (see below), whose sum is σ = 1655473802112. Its totient is φ = 732228796536.

The previous prime is 1122220221193. The next prime is 1122220221217. The reversal of 1122220221201 is 1021220222211.

It is a happy number.

1122220221201 is a `hidden beast` number, since 1 + 1 + 22 + 220 + 221 + 201 = 666.

It is not a de Polignac number, because 1122220221201 - 2³ = 1122220221193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122220221251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1326501021 + ... + 1326501866.

It is an arithmetic number, because the mean of its divisors is an integer number (137956150176).

Almost surely, 2^{1122220221201} is an apocalyptic number.

It is an amenable number.

1122220221201 is a deficient number, since it is larger than the sum of its proper divisors (533253580911).

1122220221201 is a wasteful number, since it uses less digits than its factorization.

1122220221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653002940 (or 2653002937 counting only the distinct ones).

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

Adding to 1122220221201 its reverse (1021220222211), we get a palindrome (2143440443412).

The spelling of 1122220221201 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, two hundred one".