210010221021 has 8 divisors (see below), whose sum is σ = 296485017984. Its totient is φ = 131771119040.

The previous prime is 210010220983. The next prime is 210010221101. The reversal of 210010221021 is 120122010012.

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 210010221021 - 2⁶ = 210010220957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210010220988 and 210010221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010223021) 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, 2058923685 + ... + 2058923786.

It is an arithmetic number, because the mean of its divisors is an integer number (37060627248).

Almost surely, 2^210010221021 is an apocalyptic number.

It is an amenable number.

210010221021 is a deficient number, since it is larger than the sum of its proper divisors (86474796963).

210010221021 is a wasteful number, since it uses less digits than its factorization.

210010221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117847491.

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

Adding to 210010221021 its reverse (120122010012), we get a palindrome (330132231033).

The spelling of 210010221021 in words is "two hundred ten billion, ten million, two hundred twenty-one thousand, twenty-one".