1321010102130 has 64 divisors (see below), whose sum is σ = 3179055634560. Its totient is φ = 351311579136.

The previous prime is 1321010102117. The next prime is 1321010102161. The reversal of 1321010102130 is 312010101231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17045649 + ... + 17122971.

It is an arithmetic number, because the mean of its divisors is an integer number (49672744290).

Almost surely, 2^{1321010102130} is an apocalyptic number.

1321010102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321010102130 is an abundant number, since it is smaller than the sum of its proper divisors (1858045532430).

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

1321010102130 is a wasteful number, since it uses less digits than its factorization.

1321010102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78875.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1321010102130 its reverse (312010101231), we get a palindrome (1633020203361).

The spelling of 1321010102130 in words is "one trillion, three hundred twenty-one billion, ten million, one hundred two thousand, one hundred thirty".