100001021000144 has 40 divisors (see below), whose sum is σ = 211547536689312. Its totient is φ = 45415925179520.

The previous prime is 100001021000143. The next prime is 100001021000149. The reversal of 100001021000144 is 441000120100001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001021000143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244072019 + ... + 244481394.

Almost surely, 2^{100001021000144} is an apocalyptic number.

It is an amenable number.

100001021000144 is an abundant number, since it is smaller than the sum of its proper divisors (111546515689168).

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

100001021000144 is a wasteful number, since it uses less digits than its factorization.

100001021000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488554595 (or 488554589 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100001021000144 its reverse (441000120100001), we get a palindrome (541001141100145).

The spelling of 100001021000144 in words is "one hundred trillion, one billion, twenty-one million, one hundred forty-four", and thus it is an aban number.