1121121210202 has 24 divisors (see below), whose sum is σ = 1975610862900. Its totient is φ = 475723281600.

The previous prime is 1121121210151. The next prime is 1121121210221. The reversal of 1121121210202 is 2020121211211.

It can be written as a sum of positive squares in 2 ways, for example, as 1116109844521 + 5011365681 = 1056461^2 + 70791^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56623827 + ... + 56643622.

Almost surely, 2^{1121121210202} is an apocalyptic number.

1121121210202 is a deficient number, since it is larger than the sum of its proper divisors (854489652698).

1121121210202 is a wasteful number, since it uses less digits than its factorization.

1121121210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113267566 (or 113267559 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121121210202 its reverse (2020121211211), we get a palindrome (3141242421413).

The spelling of 1121121210202 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred ten thousand, two hundred two".