11331132221222 has 16 divisors (see below), whose sum is σ = 18553305441600. Its totient is φ = 5147333336040.

The previous prime is 11331132221221. The next prime is 11331132221281. The reversal of 11331132221222 is 22212223113311.

It is a junction number, because it is equal to n+sod(n) for n = 11331132221191 and 11331132221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331132221221) 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, 159029072 + ... + 159100307.

It is an arithmetic number, because the mean of its divisors is an integer number (1159581590100).

Almost surely, 2^{11331132221222} is an apocalyptic number.

11331132221222 is a deficient number, since it is larger than the sum of its proper divisors (7222173220378).

11331132221222 is a wasteful number, since it uses less digits than its factorization.

11331132221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318131011.

The product of its digits is 1728, while the sum is 26.

Adding to 11331132221222 its reverse (22212223113311), we get a palindrome (33543355334533).

The spelling of 11331132221222 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty-two".