2220102323231 has 4 divisors (see below), whose sum is σ = 2390879425032. Its totient is φ = 2049325221432.

The previous prime is 2220102323213. The next prime is 2220102323237. The reversal of 2220102323231 is 1323232010222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220102323231 is a prime.

It is a super-2 number, since 2×2220102323231² (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 = 2220102323197 and 2220102323206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220102323237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85388550881 + ... + 85388550906.

It is an arithmetic number, because the mean of its divisors is an integer number (597719856258).

Almost surely, 2^{2220102323231} is an apocalyptic number.

2220102323231 is a deficient number, since it is larger than the sum of its proper divisors (170777101801).

2220102323231 is a wasteful number, since it uses less digits than its factorization.

2220102323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170777101800.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2220102323231 its reverse (1323232010222), we get a palindrome (3543334333453).

The spelling of 2220102323231 in words is "two trillion, two hundred twenty billion, one hundred two million, three hundred twenty-three thousand, two hundred thirty-one".