220121104134 has 8 divisors (see below), whose sum is σ = 440242208280. Its totient is φ = 73373701376.

The previous prime is 220121104117. The next prime is 220121104153. The reversal of 220121104134 is 431401121022.

220121104134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

220121104134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 220121104134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18343425339 + ... + 18343425350.

It is an arithmetic number, because the mean of its divisors is an integer number (55030276035).

Almost surely, 2^220121104134 is an apocalyptic number.

220121104134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220121104134 is a wasteful number, since it uses less digits than its factorization.

220121104134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36686850694.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 220121104134 its reverse (431401121022), we get a palindrome (651522225156).

The spelling of 220121104134 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred four thousand, one hundred thirty-four".