11220001020331 has 4 divisors (see below), whose sum is σ = 11220328827664. Its totient is φ = 11219673213000.

The previous prime is 11220001020317. The next prime is 11220001020509. The reversal of 11220001020331 is 13302010002211.

11220001020331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11220001020331 - 2⁵ = 11220001020299 is a prime.

It is a super-2 number, since 2×11220001020331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220001021331) 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, 163852320 + ... + 163920781.

It is an arithmetic number, because the mean of its divisors is an integer number (2805082206916).

Almost surely, 2^{11220001020331} is an apocalyptic number.

11220001020331 is a deficient number, since it is larger than the sum of its proper divisors (327807333).

11220001020331 is an equidigital number, since it uses as much as digits as its factorization.

11220001020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327807332.

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

Adding to 11220001020331 its reverse (13302010002211), we get a palindrome (24522011022542).

The spelling of 11220001020331 in words is "eleven trillion, two hundred twenty billion, one million, twenty thousand, three hundred thirty-one".