1311021022233 has 16 divisors (see below), whose sum is σ = 1882885571840. Its totient is φ = 806613375744.

The previous prime is 1311021022229. The next prime is 1311021022273. The reversal of 1311021022233 is 3322201201131.

It is not a de Polignac number, because 1311021022233 - 2² = 1311021022229 is a prime.

It is a super-2 number, since 2×1311021022233² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311021022273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3327568 + ... + 3700641.

It is an arithmetic number, because the mean of its divisors is an integer number (117680348240).

Almost surely, 2^{1311021022233} is an apocalyptic number.

1311021022233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1311021022233 is a deficient number, since it is larger than the sum of its proper divisors (571864549607).

1311021022233 is a wasteful number, since it uses less digits than its factorization.

1311021022233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033008.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1311021022233 its reverse (3322201201131), we get a palindrome (4633222223364).

The spelling of 1311021022233 in words is "one trillion, three hundred eleven billion, twenty-one million, twenty-two thousand, two hundred thirty-three".