100244442121 has 8 divisors (see below), whose sum is σ = 101673512064. Its totient is φ = 98815849440.

The previous prime is 100244442091. The next prime is 100244442127. The reversal of 100244442121 is 121244442001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100244442121 - 2¹³ = 100244433929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100244442127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314940 + ... + 547426.

It is an arithmetic number, because the mean of its divisors is an integer number (12709189008).

Almost surely, 2^100244442121 is an apocalyptic number.

It is an amenable number.

100244442121 is a deficient number, since it is larger than the sum of its proper divisors (1429069943).

100244442121 is an equidigital number, since it uses as much as digits as its factorization.

100244442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238631.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 100244442121 its reverse (121244442001), we get a palindrome (221488884122).

The spelling of 100244442121 in words is "one hundred billion, two hundred forty-four million, four hundred forty-two thousand, one hundred twenty-one".