242120401100 has 18 divisors (see below), whose sum is σ = 525401270604. Its totient is φ = 96848160400.

The previous prime is 242120401091. The next prime is 242120401141. The reversal of 242120401100 is 1104021242.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1210601906 + ... + 1210602105.

It is an arithmetic number, because the mean of its divisors is an integer number (29188959478).

Almost surely, 2^242120401100 is an apocalyptic number.

242120401100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242120401100 is an abundant number, since it is smaller than the sum of its proper divisors (283280869504).

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

242120401100 is a wasteful number, since it uses less digits than its factorization.

242120401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421204025 (or 2421204018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 242120401100 its reverse (1104021242), we get a palindrome (243224422342).

The spelling of 242120401100 in words is "two hundred forty-two billion, one hundred twenty million, four hundred one thousand, one hundred".