210002112101021 has 8 divisors (see below), whose sum is σ = 222538444476000. Its totient is φ = 197614138689360.

The previous prime is 210002112101009. The next prime is 210002112101027. The reversal of 210002112101021 is 120101211200012.

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 210002112101021 - 2¹⁸ = 210002111838877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002112100987 and 210002112101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002112101027) 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, 37089737915 + ... + 37089743576.

It is an arithmetic number, because the mean of its divisors is an integer number (27817305559500).

Almost surely, 2^{210002112101021} is an apocalyptic number.

It is an amenable number.

210002112101021 is a deficient number, since it is larger than the sum of its proper divisors (12536332374979).

210002112101021 is a wasteful number, since it uses less digits than its factorization.

210002112101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74179481659.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210002112101021 its reverse (120101211200012), we get a palindrome (330103323301033).

The spelling of 210002112101021 in words is "two hundred ten trillion, two billion, one hundred twelve million, one hundred one thousand, twenty-one".