1122120201 has 24 divisors (see below), whose sum is σ = 1553527552. Its totient is φ = 719928000.

The previous prime is 1122120191. The next prime is 1122120211. The reversal of 1122120201 is 1020212211.

It is an interprime number because it is at equal distance from previous prime (1122120191) and next prime (1122120211).

It is not a de Polignac number, because 1122120201 - 2⁵ = 1122120169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131816 + ... + 1132806.

Almost surely, 2^1122120201 is an apocalyptic number.

It is an amenable number.

1122120201 is a deficient number, since it is larger than the sum of its proper divisors (431407351).

1122120201 is an equidigital number, since it uses as much as digits as its factorization.

1122120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1122120201 is about 33498.0626454725. The cubic root of 1122120201 is about 1039.1537127266.

Adding to 1122120201 its reverse (1020212211), we get a palindrome (2142332412).

The spelling of 1122120201 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, two hundred one".