210221010011001 has 32 divisors (see below), whose sum is σ = 323838329443200. Its totient is φ = 119884203130880.

The previous prime is 210221010010993. The next prime is 210221010011009. The reversal of 210221010011001 is 100110010122012.

210221010011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210221010010993) and next prime (210221010011009).

It is a cyclic number.

It is not a de Polignac number, because 210221010011001 - 2³ = 210221010010993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210221010011009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41278356 + ... + 46090613.

It is an arithmetic number, because the mean of its divisors is an integer number (10119947795100).

Almost surely, 2^{210221010011001} is an apocalyptic number.

It is an amenable number.

210221010011001 is a deficient number, since it is larger than the sum of its proper divisors (113617319432199).

210221010011001 is a wasteful number, since it uses less digits than its factorization.

210221010011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87373289.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210221010011001 its reverse (100110010122012), we get a palindrome (310331020133013).

The spelling of 210221010011001 in words is "two hundred ten trillion, two hundred twenty-one billion, ten million, eleven thousand, one".