1002311123222 has 16 divisors (see below), whose sum is σ = 1511178439680. Its totient is φ = 498587863272.

The previous prime is 1002311123221. The next prime is 1002311123227. The reversal of 1002311123222 is 2223211132001.

It is a super-2 number, since 2×1002311123222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002311123194 and 1002311123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002311123221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25448 + ... + 1416075.

It is an arithmetic number, because the mean of its divisors is an integer number (94448652480).

Almost surely, 2^{1002311123222} is an apocalyptic number.

1002311123222 is a deficient number, since it is larger than the sum of its proper divisors (508867316458).

1002311123222 is a wasteful number, since it uses less digits than its factorization.

1002311123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443307.

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

Adding to 1002311123222 its reverse (2223211132001), we get a palindrome (3225522255223).

The spelling of 1002311123222 in words is "one trillion, two billion, three hundred eleven million, one hundred twenty-three thousand, two hundred twenty-two".