210010011012221 has 8 divisors (see below), whose sum is σ = 245118067564800. Its totient is φ = 176178611061648.

The previous prime is 210010011012133. The next prime is 210010011012223. The reversal of 210010011012221 is 122210110010012.

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 210010011012221 - 2³⁴ = 209992831143037 is a prime.

It is a super-2 number, since 2×210010011012221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210010011012196 and 210010011012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010011012223) 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, 319164150146 + ... + 319164150803.

It is an arithmetic number, because the mean of its divisors is an integer number (30639758445600).

Almost surely, 2^{210010011012221} is an apocalyptic number.

It is an amenable number.

210010011012221 is a deficient number, since it is larger than the sum of its proper divisors (35108056552579).

210010011012221 is an equidigital number, since it uses as much as digits as its factorization.

210010011012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638328301003.

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

Adding to 210010011012221 its reverse (122210110010012), we get a palindrome (332220121022233).

The spelling of 210010011012221 in words is "two hundred ten trillion, ten billion, eleven million, twelve thousand, two hundred twenty-one".