131222113222 has 8 divisors (see below), whose sum is σ = 198383037696. Its totient is φ = 65094433992.

The previous prime is 131222113199. The next prime is 131222113249. The reversal of 131222113222 is 222311222131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131222113193 and 131222113202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258310993 + ... + 258311500.

It is an arithmetic number, because the mean of its divisors is an integer number (24797879712).

Almost surely, 2^131222113222 is an apocalyptic number.

131222113222 is a deficient number, since it is larger than the sum of its proper divisors (67160924474).

131222113222 is a wasteful number, since it uses less digits than its factorization.

131222113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516622622.

The product of its digits is 576, while the sum is 22.

Adding to 131222113222 its reverse (222311222131), we get a palindrome (353533335353).

The spelling of 131222113222 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-two".