1121200001122 has 4 divisors (see below), whose sum is σ = 1681800001686. Its totient is φ = 560600000560.

The previous prime is 1121200001027. The next prime is 1121200001147. The reversal of 1121200001122 is 2211000021211.

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., 576705066921 + 544494934201 = 759411^2 + 737899^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280300000279 + ... + 280300000282.

Almost surely, 2^{1121200001122} is an apocalyptic number.

1121200001122 is a deficient number, since it is larger than the sum of its proper divisors (560600000564).

1121200001122 is an equidigital number, since it uses as much as digits as its factorization.

1121200001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560600000563.

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

Adding to 1121200001122 its reverse (2211000021211), we get a palindrome (3332200022333).

The spelling of 1121200001122 in words is "one trillion, one hundred twenty-one billion, two hundred million, one thousand, one hundred twenty-two".