1011321321230 has 64 divisors (see below), whose sum is σ = 1994996424960. Its totient is φ = 366064012800.

The previous prime is 1011321321191. The next prime is 1011321321247. The reversal of 1011321321230 is 321231231101.

It is a happy number.

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, 70482917 + ... + 70497263.

It is an arithmetic number, because the mean of its divisors is an integer number (31171819140).

Almost surely, 2^{1011321321230} is an apocalyptic number.

1011321321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011321321230 is a deficient number, since it is larger than the sum of its proper divisors (983675103730).

1011321321230 is a wasteful number, since it uses less digits than its factorization.

1011321321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17265.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011321321230 its reverse (321231231101), we get a palindrome (1332552552331).

The spelling of 1011321321230 in words is "one trillion, eleven billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty".