1121221210002 has 24 divisors (see below), whose sum is σ = 2304687003696. Its totient is φ = 363639308688.

The previous prime is 1121221209973. The next prime is 1121221210007. The reversal of 1121221210002 is 2000121221211.

It is not an unprimeable number, because it can be changed into a prime (1121221210007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68242408 + ... + 68258835.

It is an arithmetic number, because the mean of its divisors is an integer number (96028625154).

Almost surely, 2^{1121221210002} is an apocalyptic number.

1121221210002 is an abundant number, since it is smaller than the sum of its proper divisors (1183465793694).

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

1121221210002 is a wasteful number, since it uses less digits than its factorization.

1121221210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136501322 (or 136501285 counting only the distinct ones).

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

Adding to 1121221210002 its reverse (2000121221211), we get a palindrome (3121342431213).

The spelling of 1121221210002 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred ten thousand, two".