2221210011323 has 6 divisors (see below), whose sum is σ = 2242984538124. Its totient is φ = 2199644855076.

The previous prime is 2221210011289. The next prime is 2221210011329. The reversal of 2221210011323 is 3231100121222.

It is not a de Polignac number, because 2221210011323 - 2¹⁸ = 2221209749179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221210011295 and 2221210011304.

It is not an unprimeable number, because it can be changed into a prime (2221210011329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104674565 + ... + 104695782.

It is an arithmetic number, because the mean of its divisors is an integer number (373830756354).

Almost surely, 2^{2221210011323} is an apocalyptic number.

2221210011323 is a deficient number, since it is larger than the sum of its proper divisors (21774526801).

2221210011323 is an equidigital number, since it uses as much as digits as its factorization.

2221210011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209370553 (or 209370450 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2221210011323 its reverse (3231100121222), we get a palindrome (5452310132545).

The spelling of 2221210011323 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, eleven thousand, three hundred twenty-three".