10102004040021 has 8 divisors (see below), whose sum is σ = 14178251284320. Its totient is φ = 6380213077872.

The previous prime is 10102004040017. The next prime is 10102004040047. The reversal of 10102004040021 is 12004040020101.

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

It is not a de Polignac number, because 10102004040021 - 2² = 10102004040017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102004040221) 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, 88614070470 + ... + 88614070583.

It is an arithmetic number, because the mean of its divisors is an integer number (1772281410540).

Almost surely, 2^{10102004040021} is an apocalyptic number.

It is an amenable number.

10102004040021 is a deficient number, since it is larger than the sum of its proper divisors (4076247244299).

10102004040021 is a wasteful number, since it uses less digits than its factorization.

10102004040021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177228141075.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10102004040021 its reverse (12004040020101), we get a palindrome (22106044060122).

The spelling of 10102004040021 in words is "ten trillion, one hundred two billion, four million, forty thousand, twenty-one".