210201110021001 has 8 divisors (see below), whose sum is σ = 305747069121504. Its totient is φ = 127394612133920.

The previous prime is 210201110020961. The next prime is 210201110021029. The reversal of 210201110021001 is 100120011102012.

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 210201110021001 - 2¹⁹ = 210201109496713 is a prime.

It is a super-2 number, since 2×210201110021001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210201120021001) 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, 3184865303316 + ... + 3184865303381.

It is an arithmetic number, because the mean of its divisors is an integer number (38218383640188).

Almost surely, 2^{210201110021001} is an apocalyptic number.

It is an amenable number.

210201110021001 is a deficient number, since it is larger than the sum of its proper divisors (95545959100503).

210201110021001 is a wasteful number, since it uses less digits than its factorization.

210201110021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369730606711.

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

Adding to 210201110021001 its reverse (100120011102012), we get a palindrome (310321121123013).

The spelling of 210201110021001 in words is "two hundred ten trillion, two hundred one billion, one hundred ten million, twenty-one thousand, one".