210100000201021 has 8 divisors (see below), whose sum is σ = 240886357605504. Its totient is φ = 179506660711920.

The previous prime is 210100000201019. The next prime is 210100000201079. The reversal of 210100000201021 is 120102000001012.

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 210100000201021 - 2¹ = 210100000201019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210100000200989 and 210100000201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100000201121) 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, 48254476510 + ... + 48254480863.

It is an arithmetic number, because the mean of its divisors is an integer number (30110794700688).

Almost surely, 2^{210100000201021} is an apocalyptic number.

It is an amenable number.

210100000201021 is a deficient number, since it is larger than the sum of its proper divisors (30786357404483).

210100000201021 is an equidigital number, since it uses as much as digits as its factorization.

210100000201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96508957691.

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

Adding to 210100000201021 its reverse (120102000001012), we get a palindrome (330202000202033).

The spelling of 210100000201021 in words is "two hundred ten trillion, one hundred billion, two hundred one thousand, twenty-one".