1331121022302 has 64 divisors (see below), whose sum is σ = 2922086741760. Its totient is φ = 402522425856.

The previous prime is 1331121022291. The next prime is 1331121022321. The reversal of 1331121022302 is 2032201211331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1244352 + ... + 2051987.

It is an arithmetic number, because the mean of its divisors is an integer number (45657605340).

Almost surely, 2^{1331121022302} is an apocalyptic number.

1331121022302 is an abundant number, since it is smaller than the sum of its proper divisors (1590965719458).

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

1331121022302 is a wasteful number, since it uses less digits than its factorization.

1331121022302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296505.

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

Adding to 1331121022302 its reverse (2032201211331), we get a palindrome (3363322233633).

The spelling of 1331121022302 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, twenty-two thousand, three hundred two".