1121203321210 has 32 divisors (see below), whose sum is σ = 2386009042560. Its totient is φ = 371156960832.

The previous prime is 1121203321177. The next prime is 1121203321219. The reversal of 1121203321210 is 121233021211.

It is not an unprimeable number, because it can be changed into a prime (1121203321219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276156424 + ... + 276160483.

It is an arithmetic number, because the mean of its divisors is an integer number (74562782580).

Almost surely, 2^{1121203321210} is an apocalyptic number.

1121203321210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121203321210 is an abundant number, since it is smaller than the sum of its proper divisors (1264805721350).

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

1121203321210 is a wasteful number, since it uses less digits than its factorization.

1121203321210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552316950.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1121203321210 its reverse (121233021211), we get a palindrome (1242436342421).

The spelling of 1121203321210 in words is "one trillion, one hundred twenty-one billion, two hundred three million, three hundred twenty-one thousand, two hundred ten".