1321102231210 has 8 divisors (see below), whose sum is σ = 2377984016196. Its totient is φ = 528440892480.

The previous prime is 1321102231157. The next prime is 1321102231223. The reversal of 1321102231210 is 121322011231.

It can be written as a sum of positive squares in 2 ways, for example, as 1280742626601 + 40359604609 = 1131699^2 + 200897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1321102231210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66055111551 + ... + 66055111570.

Almost surely, 2^{1321102231210} is an apocalyptic number.

1321102231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321102231210 is a deficient number, since it is larger than the sum of its proper divisors (1056881784986).

1321102231210 is a wasteful number, since it uses less digits than its factorization.

1321102231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132110223128.

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

Adding to 1321102231210 its reverse (121322011231), we get a palindrome (1442424242441).

The spelling of 1321102231210 in words is "one trillion, three hundred twenty-one billion, one hundred two million, two hundred thirty-one thousand, two hundred ten".