10000122220128 has 96 divisors (see below), whose sum is σ = 27635829661440. Its totient is φ = 3157486133760.

The previous prime is 10000122220103. The next prime is 10000122220199. The reversal of 10000122220128 is 82102222100001.

It is a tau number, because it is divible by the number of its divisors (96).

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, 12615018 + ... + 13384278.

It is an arithmetic number, because the mean of its divisors is an integer number (287873225640).

Almost surely, 2^{10000122220128} is an apocalyptic number.

It is an amenable number.

10000122220128 is an abundant number, since it is smaller than the sum of its proper divisors (17635707441312).

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

10000122220128 is a wasteful number, since it uses less digits than its factorization.

10000122220128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776420 (or 776412 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 10000122220128 its reverse (82102222100001), we get a palindrome (92102344320129).

The spelling of 10000122220128 in words is "ten trillion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty-eight".