11220222310331 has 4 divisors (see below), whose sum is σ = 11220389721000. Its totient is φ = 11220054899664.

The previous prime is 11220222310291. The next prime is 11220222310387. The reversal of 11220222310331 is 13301322202211.

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 11220222310331 - 2⁴² = 6822175799227 is a prime.

It is a super-2 number, since 2×11220222310331² (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 = 11220222310297 and 11220222310306.

It is not an unprimeable number, because it can be changed into a prime (11220222313331) 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, 83604761 + ... + 83738858.

It is an arithmetic number, because the mean of its divisors is an integer number (2805097430250).

Almost surely, 2^{11220222310331} is an apocalyptic number.

11220222310331 is a deficient number, since it is larger than the sum of its proper divisors (167410669).

11220222310331 is an equidigital number, since it uses as much as digits as its factorization.

11220222310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167410668.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11220222310331 its reverse (13301322202211), we get a palindrome (24521544512542).

The spelling of 11220222310331 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-two million, three hundred ten thousand, three hundred thirty-one".