492113221101 has 12 divisors (see below), whose sum is σ = 714551834880. Its totient is φ = 326357806920.

The previous prime is 492113221097. The next prime is 492113221111. The reversal of 492113221101 is 101122311294.

It is not a de Polignac number, because 492113221101 - 2² = 492113221097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492113221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143137671 + ... + 143141108.

It is an arithmetic number, because the mean of its divisors is an integer number (59545986240).

Almost surely, 2^492113221101 is an apocalyptic number.

It is an amenable number.

492113221101 is a deficient number, since it is larger than the sum of its proper divisors (222438613779).

492113221101 is a wasteful number, since it uses less digits than its factorization.

492113221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286278976 (or 286278973 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 492113221101 its reverse (101122311294), we get a palindrome (593235532395).

The spelling of 492113221101 in words is "four hundred ninety-two billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred one".