1211311320130 has 32 divisors (see below), whose sum is σ = 2185662870144. Its totient is φ = 483346801536.

The previous prime is 1211311320091. The next prime is 1211311320151. The reversal of 1211311320130 is 310231131121.

It is a super-2 number, since 2×1211311320130² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211311320098 and 1211311320107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16883614 + ... + 16955206.

It is an arithmetic number, because the mean of its divisors is an integer number (68301964692).

Almost surely, 2^{1211311320130} is an apocalyptic number.

1211311320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211311320130 is a deficient number, since it is larger than the sum of its proper divisors (974351550014).

1211311320130 is a wasteful number, since it uses less digits than its factorization.

1211311320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75690.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1211311320130 its reverse (310231131121), we get a palindrome (1521542451251).

The spelling of 1211311320130 in words is "one trillion, two hundred eleven billion, three hundred eleven million, three hundred twenty thousand, one hundred thirty".