1011311212130 has 16 divisors (see below), whose sum is σ = 1850202153144. Its totient is φ = 397892935680.

The previous prime is 1011311212097. The next prime is 1011311212133. The reversal of 1011311212130 is 312121131101.

It can be written as a sum of positive squares in 4 ways, for example, as 269702610241 + 741608601889 = 519329^2 + 861167^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011311212099 and 1011311212108.

It is not an unprimeable number, because it can be changed into a prime (1011311212133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 828943007 + ... + 828944226.

Almost surely, 2^{1011311212130} is an apocalyptic number.

1011311212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011311212130 is a deficient number, since it is larger than the sum of its proper divisors (838890941014).

1011311212130 is a wasteful number, since it uses less digits than its factorization.

1011311212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657887301.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1011311212130 its reverse (312121131101), we get a palindrome (1323432343231).

The spelling of 1011311212130 in words is "one trillion, eleven billion, three hundred eleven million, two hundred twelve thousand, one hundred thirty".