1121220120202 has 32 divisors (see below), whose sum is σ = 2070117915264. Its totient is φ = 443522520000.

The previous prime is 1121220120199. The next prime is 1121220120211. The reversal of 1121220120202 is 2020210221211.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1978252 + ... + 2481112.

It is an arithmetic number, because the mean of its divisors is an integer number (64691184852).

Almost surely, 2^{1121220120202} is an apocalyptic number.

1121220120202 is a deficient number, since it is larger than the sum of its proper divisors (948897795062).

1121220120202 is a wasteful number, since it uses less digits than its factorization.

1121220120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515134.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1121220120202 its reverse (2020210221211), we get a palindrome (3141430341413).

The spelling of 1121220120202 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, two hundred two".