11013121210031 has 16 divisors (see below), whose sum is σ = 11316781679616. Its totient is φ = 10712372559456.

The previous prime is 11013121209991. The next prime is 11013121210073. The reversal of 11013121210031 is 13001212131011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013121210031 is a prime.

It is a super-2 number, since 2×11013121210031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11013121209991 and 11013121210009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013121210331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45615725 + ... + 45856521.

It is an arithmetic number, because the mean of its divisors is an integer number (707298854976).

Almost surely, 2^{11013121210031} is an apocalyptic number.

11013121210031 is a deficient number, since it is larger than the sum of its proper divisors (303660469585).

11013121210031 is a wasteful number, since it uses less digits than its factorization.

11013121210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246838.

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

Adding to 11013121210031 its reverse (13001212131011), we get a palindrome (24014333341042).

The spelling of 11013121210031 in words is "eleven trillion, thirteen billion, one hundred twenty-one million, two hundred ten thousand, thirty-one".