10102000021021 has 16 divisors (see below), whose sum is σ = 10451007515520. Its totient is φ = 9758429694720.

The previous prime is 10102000020977. The next prime is 10102000021031. The reversal of 10102000021021 is 12012000020101.

It is a cyclic number.

It is not a de Polignac number, because 10102000021021 - 2⁹ = 10102000020509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102000020989 and 10102000021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102000021031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871865 + ... + 4869073.

It is an arithmetic number, because the mean of its divisors is an integer number (653187969720).

Almost surely, 2^{10102000021021} is an apocalyptic number.

It is an amenable number.

10102000021021 is a deficient number, since it is larger than the sum of its proper divisors (349007494499).

10102000021021 is a wasteful number, since it uses less digits than its factorization.

10102000021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998116.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10102000021021 its reverse (12012000020101), we get a palindrome (22114000041122).

The spelling of 10102000021021 in words is "ten trillion, one hundred two billion, twenty-one thousand, twenty-one".