11220331200031 has 4 divisors (see below), whose sum is σ = 11346402337200. Its totient is φ = 11094260062864.

The previous prime is 11220331199951. The next prime is 11220331200053. The reversal of 11220331200031 is 13000213302211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11220331200031 - 2¹⁵ = 11220331167263 is a prime.

It is a super-2 number, since 2×11220331200031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220331199981 and 11220331200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220331201031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63035568451 + ... + 63035568628.

It is an arithmetic number, because the mean of its divisors is an integer number (2836600584300).

Almost surely, 2^{11220331200031} is an apocalyptic number.

11220331200031 is a deficient number, since it is larger than the sum of its proper divisors (126071137169).

11220331200031 is an equidigital number, since it uses as much as digits as its factorization.

11220331200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126071137168.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11220331200031 its reverse (13000213302211), we get a palindrome (24220544502242).

The spelling of 11220331200031 in words is "eleven trillion, two hundred twenty billion, three hundred thirty-one million, two hundred thousand, thirty-one".