11031210320020 has 96 divisors (see below), whose sum is σ = 25986065769216. Its totient is φ = 3898189670400.

The previous prime is 11031210320003. The next prime is 11031210320029. The reversal of 11031210320020 is 2002301213011.

It is a super-2 number, since 2×11031210320020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11031210319976 and 11031210320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031210320029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5875900 + ... + 7522540.

It is an arithmetic number, because the mean of its divisors is an integer number (270688185096).

Almost surely, 2^{11031210320020} is an apocalyptic number.

11031210320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031210320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12993032884608).

11031210320020 is an abundant number, since it is smaller than the sum of its proper divisors (14954855449196).

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

11031210320020 is a wasteful number, since it uses less digits than its factorization.

11031210320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647521 (or 1647519 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11031210320020 its reverse (2002301213011), we get a palindrome (13033511533031).

The spelling of 11031210320020 in words is "eleven trillion, thirty-one billion, two hundred ten million, three hundred twenty thousand, twenty".