1331002213122 has 32 divisors (see below), whose sum is σ = 2748101013504. Its totient is φ = 429320322000.

The previous prime is 1331002213069. The next prime is 1331002213129. The reversal of 1331002213122 is 2213122001331.

It is not an unprimeable number, because it can be changed into a prime (1331002213129) 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, 2028523 + ... + 2603249.

It is an arithmetic number, because the mean of its divisors is an integer number (85878156672).

Almost surely, 2^{1331002213122} is an apocalyptic number.

1331002213122 is an abundant number, since it is smaller than the sum of its proper divisors (1417098800382).

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

1331002213122 is a wasteful number, since it uses less digits than its factorization.

1331002213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587214.

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

Adding to 1331002213122 its reverse (2213122001331), we get a palindrome (3544124214453).

The spelling of 1331002213122 in words is "one trillion, three hundred thirty-one billion, two million, two hundred thirteen thousand, one hundred twenty-two".