1022113213231 has 16 divisors (see below), whose sum is σ = 1131784075008. Its totient is φ = 915236942400.

The previous prime is 1022113213217. The next prime is 1022113213267. The reversal of 1022113213231 is 1323123112201.

It is not a de Polignac number, because 1022113213231 - 2¹³ = 1022113205039 is a prime.

It is a super-2 number, since 2×1022113213231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022113216231) 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, 8282326 + ... + 8404828.

It is an arithmetic number, because the mean of its divisors is an integer number (70736504688).

Almost surely, 2^{1022113213231} is an apocalyptic number.

1022113213231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022113213231 is a deficient number, since it is larger than the sum of its proper divisors (109670861777).

1022113213231 is a wasteful number, since it uses less digits than its factorization.

1022113213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133902.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1022113213231 its reverse (1323123112201), we get a palindrome (2345236325432).

The spelling of 1022113213231 in words is "one trillion, twenty-two billion, one hundred thirteen million, two hundred thirteen thousand, two hundred thirty-one".