1121201122 has 4 divisors (see below), whose sum is σ = 1681801686. Its totient is φ = 560600560.

The previous prime is 1121201099. The next prime is 1121201143. The reversal of 1121201122 is 2211021211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1115626801 + 5574321 = 33401^2 + 2361^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280300279 + ... + 280300282.

Almost surely, 2^1121201122 is an apocalyptic number.

1121201122 is a deficient number, since it is larger than the sum of its proper divisors (560600564).

1121201122 is an equidigital number, since it uses as much as digits as its factorization.

1121201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560600563.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1121201122 is about 33484.3414449202. The cubic root of 1121201122 is about 1038.8699269601.

Adding to 1121201122 its reverse (2211021211), we get a palindrome (3332222333).

The spelling of 1121201122 in words is "one billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-two".