10102001120128 has 16 divisors (see below), whose sum is σ = 20125080356760. Its totient is φ = 5051000560000.

The previous prime is 10102001120117. The next prime is 10102001120129. The reversal of 10102001120128 is 82102110020101.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102001120129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39460941748 + ... + 39460942003.

Almost surely, 2^{10102001120128} is an apocalyptic number.

It is an amenable number.

10102001120128 is a deficient number, since it is larger than the sum of its proper divisors (10023079236632).

10102001120128 is an frugal number, since it uses more digits than its factorization.

10102001120128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78921883765 (or 78921883753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10102001120128 its reverse (82102110020101), we get a palindrome (92204111140229).

The spelling of 10102001120128 in words is "ten trillion, one hundred two billion, one million, one hundred twenty thousand, one hundred twenty-eight".