1331121202230 has 32 divisors (see below), whose sum is σ = 3382613879904. Its totient is φ = 334085321216.

The previous prime is 1331121202199. The next prime is 1331121202259. The reversal of 1331121202230 is 322021211331.

It is a junction number, because it is equal to n+sod(n) for n = 1331121202197 and 1331121202206.

It is a congruent 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, 1305020277 + ... + 1305021296.

It is an arithmetic number, because the mean of its divisors is an integer number (105706683747).

Almost surely, 2^{1331121202230} is an apocalyptic number.

1331121202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331121202230 is an abundant number, since it is smaller than the sum of its proper divisors (2051492677674).

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

1331121202230 is a wasteful number, since it uses less digits than its factorization.

1331121202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610041600.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1331121202230 its reverse (322021211331), we get a palindrome (1653142413561).

It can be divided in two parts, 1331121 and 202230, that added together give a palindrome (1533351).

The spelling of 1331121202230 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred two thousand, two hundred thirty".