100321121422 has 4 divisors (see below), whose sum is σ = 150481682136. Its totient is φ = 50160560710.

The previous prime is 100321121419. The next prime is 100321121471. The reversal of 100321121422 is 224121123001.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100321121422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25080280354 + ... + 25080280357.

It is an arithmetic number, because the mean of its divisors is an integer number (37620420534).

Almost surely, 2^100321121422 is an apocalyptic number.

100321121422 is a deficient number, since it is larger than the sum of its proper divisors (50160560714).

100321121422 is an equidigital number, since it uses as much as digits as its factorization.

100321121422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50160560713.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 100321121422 its reverse (224121123001), we get a palindrome (324442244423).

The spelling of 100321121422 in words is "one hundred billion, three hundred twenty-one million, one hundred twenty-one thousand, four hundred twenty-two".