10102002021021 has 8 divisors (see below), whose sum is σ = 13512645791424. Its totient is φ = 6713013132320.

The previous prime is 10102002020909. The next prime is 10102002021113. The reversal of 10102002021021 is 12012020020101.

10102002021021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10102002021021 - 2⁷ = 10102002020893 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10102002020988 and 10102002021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102002021721) 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, 5413719336 + ... + 5413721201.

It is an arithmetic number, because the mean of its divisors is an integer number (1689080723928).

Almost surely, 2^{10102002021021} is an apocalyptic number.

It is an amenable number.

10102002021021 is a deficient number, since it is larger than the sum of its proper divisors (3410643770403).

10102002021021 is a wasteful number, since it uses less digits than its factorization.

10102002021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10827440851.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10102002021021 its reverse (12012020020101), we get a palindrome (22114022041122).

The spelling of 10102002021021 in words is "ten trillion, one hundred two billion, two million, twenty-one thousand, twenty-one".