100322421144 has 64 divisors (see below), whose sum is σ = 274833699840. Its totient is φ = 30264389760.

The previous prime is 100322421103. The next prime is 100322421169. The reversal of 100322421144 is 441124223001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793167 + ... + 910910.

It is an arithmetic number, because the mean of its divisors is an integer number (4294276560).

Almost surely, 2^100322421144 is an apocalyptic number.

It is an amenable number.

100322421144 is an abundant number, since it is smaller than the sum of its proper divisors (174511278696).

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

100322421144 is a wasteful number, since it uses less digits than its factorization.

100322421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704320 (or 1704316 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 100322421144 its reverse (441124223001), we get a palindrome (541446644145).

The spelling of 100322421144 in words is "one hundred billion, three hundred twenty-two million, four hundred twenty-one thousand, one hundred forty-four".