1223332311021 has 16 divisors (see below), whose sum is σ = 1710836223744. Its totient is φ = 776629594944.

The previous prime is 1223332310987. The next prime is 1223332311023. The reversal of 1223332311021 is 1201132333221.

It is not a de Polignac number, because 1223332311021 - 2¹¹ = 1223332308973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223332310982 and 1223332311000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223332311023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117239590 + ... + 117250023.

It is an arithmetic number, because the mean of its divisors is an integer number (106927263984).

Almost surely, 2^{1223332311021} is an apocalyptic number.

It is an amenable number.

1223332311021 is a deficient number, since it is larger than the sum of its proper divisors (487503912723).

1223332311021 is a wasteful number, since it uses less digits than its factorization.

1223332311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234489700.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1223332311021 its reverse (1201132333221), we get a palindrome (2424464644242).

The spelling of 1223332311021 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, three hundred eleven thousand, twenty-one".