210202101021001 has 8 divisors (see below), whose sum is σ = 217682520277320. Its totient is φ = 202737153161088.

The previous prime is 210202101020993. The next prime is 210202101021007. The reversal of 210202101021001 is 100120101202012.

It can be written as a sum of positive squares in 4 ways, for example, as 34231263861001 + 175970837160000 = 5850749^2 + 13265400^2 .

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 210202101021001 - 2³ = 210202101020993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210202101021007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3867821446 + ... + 3867875791.

It is an arithmetic number, because the mean of its divisors is an integer number (27210315034665).

Almost surely, 2^{210202101021001} is an apocalyptic number.

It is an amenable number.

210202101021001 is a deficient number, since it is larger than the sum of its proper divisors (7480419256319).

210202101021001 is an equidigital number, since it uses as much as digits as its factorization.

210202101021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735698203.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210202101021001 its reverse (100120101202012), we get a palindrome (310322202223013).

The spelling of 210202101021001 in words is "two hundred ten trillion, two hundred two billion, one hundred one million, twenty-one thousand, one".