131101020222 has 16 divisors (see below), whose sum is σ = 262282682640. Its totient is φ = 43686899712.

The previous prime is 131101020221. The next prime is 131101020241. The reversal of 131101020222 is 222020101131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3338947 + ... + 3377982.

It is an arithmetic number, because the mean of its divisors is an integer number (16392667665).

Almost surely, 2^131101020222 is an apocalyptic number.

131101020222 is an abundant number, since it is smaller than the sum of its proper divisors (131181662418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131101020222 is a wasteful number, since it uses less digits than its factorization.

131101020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720187.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131101020222 its reverse (222020101131), we get a palindrome (353121121353).

The spelling of 131101020222 in words is "one hundred thirty-one billion, one hundred one million, twenty thousand, two hundred twenty-two".