100121023224 has 48 divisors (see below), whose sum is σ = 272981007000. Its totient is φ = 33149686464.

The previous prime is 100121023199. The next prime is 100121023229. The reversal of 100121023224 is 422320121001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100121023197 and 100121023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121023229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4655614 + ... + 4677069.

Almost surely, 2^100121023224 is an apocalyptic number.

It is an amenable number.

100121023224 is an abundant number, since it is smaller than the sum of its proper divisors (172859983776).

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

100121023224 is a wasteful number, since it uses less digits than its factorization.

100121023224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332844 (or 9332837 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100121023224 its reverse (422320121001), we get a palindrome (522441144225).

The spelling of 100121023224 in words is "one hundred billion, one hundred twenty-one million, twenty-three thousand, two hundred twenty-four".