21100210300201 has 8 divisors (see below), whose sum is σ = 21391037676360. Its totient is φ = 20810577287808.

The previous prime is 21100210300189. The next prime is 21100210300249. The reversal of 21100210300201 is 10200301200112.

It can be written as a sum of positive squares in 4 ways, for example, as 2755264690201 + 18344945610000 = 1659899^2 + 4283100^2 .

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 21100210300201 - 2³¹ = 21098062816553 is a prime.

It is a super-3 number, since 3×21100210300201³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21100210300901) 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, 298555366 + ... + 298626031.

It is an arithmetic number, because the mean of its divisors is an integer number (2673879709545).

Almost surely, 2^{21100210300201} is an apocalyptic number.

It is an amenable number.

21100210300201 is a deficient number, since it is larger than the sum of its proper divisors (290827376159).

21100210300201 is an equidigital number, since it uses as much as digits as its factorization.

21100210300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597181883.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21100210300201 its reverse (10200301200112), we get a palindrome (31300511500313).

The spelling of 21100210300201 in words is "twenty-one trillion, one hundred billion, two hundred ten million, three hundred thousand, two hundred one".