2221122330331 has 4 divisors (see below), whose sum is σ = 2222580718152. Its totient is φ = 2219663942512.

The previous prime is 2221122330247. The next prime is 2221122330379. The reversal of 2221122330331 is 1330332211222.

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 2221122330331 - 2⁹ = 2221122329819 is a prime.

It is a super-2 number, since 2×2221122330331² (a number of 25 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 = 2221122330296 and 2221122330305.

It is not an unprimeable number, because it can be changed into a prime (2221122330391) 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, 729191626 + ... + 729194671.

It is an arithmetic number, because the mean of its divisors is an integer number (555645179538).

Almost surely, 2^{2221122330331} is an apocalyptic number.

2221122330331 is a deficient number, since it is larger than the sum of its proper divisors (1458387821).

2221122330331 is a wasteful number, since it uses less digits than its factorization.

2221122330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458387820.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2221122330331 its reverse (1330332211222), we get a palindrome (3551454541553).

The spelling of 2221122330331 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, three hundred thirty thousand, three hundred thirty-one".