220131131221222 has 32 divisors (see below), whose sum is σ = 365221934348544. Its totient is φ = 98849065392000.

The previous prime is 220131131221207. The next prime is 220131131221231. The reversal of 220131131221222 is 222122131131022.

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, 19222347 + ... + 28456297.

It is an arithmetic number, because the mean of its divisors is an integer number (11413185448392).

Almost surely, 2^{220131131221222} is an apocalyptic number.

220131131221222 is a deficient number, since it is larger than the sum of its proper divisors (145090803127322).

220131131221222 is a wasteful number, since it uses less digits than its factorization.

220131131221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258784.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 220131131221222 its reverse (222122131131022), we get a palindrome (442253262352244).

The spelling of 220131131221222 in words is "two hundred twenty trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty-two".