1122121100202 has 64 divisors (see below), whose sum is σ = 2321323401600. Its totient is φ = 361373368320.

The previous prime is 1122121100201. The next prime is 1122121100291. The reversal of 1122121100202 is 2020011212211.

It is not an unprimeable number, because it can be changed into a prime (1122121100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91304874 + ... + 91317162.

It is an arithmetic number, because the mean of its divisors is an integer number (36270678150).

Almost surely, 2^{1122121100202} is an apocalyptic number.

1122121100202 is an abundant number, since it is smaller than the sum of its proper divisors (1199202301398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122121100202 is a wasteful number, since it uses less digits than its factorization.

1122121100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122121100202 its reverse (2020011212211), we get a palindrome (3142132312413).

The spelling of 1122121100202 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred thousand, two hundred two".