221131112112022 has 32 divisors (see below), whose sum is σ = 383925766302720. Its totient is φ = 93559795130880.

The previous prime is 221131112111999. The next prime is 221131112112049. The reversal of 221131112112022 is 220211211131122.

It is a junction number, because it is equal to n+sod(n) for n = 221131112111984 and 221131112112002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442379 + ... + 21171382.

It is an arithmetic number, because the mean of its divisors is an integer number (11997680196960).

Almost surely, 2^{221131112112022} is an apocalyptic number.

221131112112022 is a deficient number, since it is larger than the sum of its proper divisors (162794654190698).

221131112112022 is a wasteful number, since it uses less digits than its factorization.

221131112112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23622316.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 221131112112022 its reverse (220211211131122), we get a palindrome (441342323243144).

The spelling of 221131112112022 in words is "two hundred twenty-one trillion, one hundred thirty-one billion, one hundred twelve million, one hundred twelve thousand, twenty-two".