1122220201 has 8 divisors (see below), whose sum is σ = 1203275520. Its totient is φ = 1042836288.

The previous prime is 1122220193. The next prime is 1122220207. The reversal of 1122220201 is 1020222211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122220201 - 2³ = 1122220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122220207) 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, 416461 + ... + 419146.

It is an arithmetic number, because the mean of its divisors is an integer number (150409440).

Almost surely, 2^1122220201 is an apocalyptic number.

It is an amenable number.

1122220201 is a deficient number, since it is larger than the sum of its proper divisors (81055319).

1122220201 is an equidigital number, since it uses as much as digits as its factorization.

1122220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835703.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1122220201 is about 33499.5552358535. Note that the first 3 decimals coincide. The cubic root of 1122220201 is about 1039.1845805679.

Adding to 1122220201 its reverse (1020222211), we get a palindrome (2142442412).

The spelling of 1122220201 in words is "one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".