1121200100122 has 16 divisors (see below), whose sum is σ = 1842134040360. Its totient is φ = 509429659648.

The previous prime is 1121200100117. The next prime is 1121200100161. The reversal of 1121200100122 is 2210010021211.

It can be written as a sum of positive squares in 4 ways, for example, as 1119996773401 + 1203326721 = 1058299^2 + 34689^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568558903 + ... + 568560874.

Almost surely, 2^{1121200100122} is an apocalyptic number.

1121200100122 is a deficient number, since it is larger than the sum of its proper divisors (720933940238).

1121200100122 is a wasteful number, since it uses less digits than its factorization.

1121200100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137119825.

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

Adding to 1121200100122 its reverse (2210010021211), we get a palindrome (3331210121333).

The spelling of 1121200100122 in words is "one trillion, one hundred twenty-one billion, two hundred million, one hundred thousand, one hundred twenty-two".