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210100101012001 = 792659494949519
BaseRepresentation
bin101111110001010110111101…
…111000110101101000100001
31000112220101002021120121001201
4233301112331320311220201
5210014240001324341001
62022502353130401201
762153142235356214
oct5761267570655041
91015811067517051
10210100101012001
1160a42a527a5262
121b692982890201
13903047bb33145
1439c4c8338977b
1519452bc021501
hexbf15bde35a21

210100101012001 has 4 divisors (see below), whose sum is σ = 212759595961600. Its totient is φ = 207440606062404.

The previous prime is 210100101011989. The next prime is 210100101012031. The reversal of 210100101012001 is 100210101001012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210100101012001 - 215 = 210100100979233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210100101012031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329747474681 + ... + 1329747474838.

It is an arithmetic number, because the mean of its divisors is an integer number (53189898990400).

Almost surely, 2210100101012001 is an apocalyptic number.

It is an amenable number.

210100101012001 is a deficient number, since it is larger than the sum of its proper divisors (2659494949599).

210100101012001 is an equidigital number, since it uses as much as digits as its factorization.

210100101012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659494949598.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210100101012001 its reverse (100210101001012), we get a palindrome (310310202013013).

It can be divided in two parts, 210100 and 101012001, that added together give a palindrome (101222101).

The spelling of 210100101012001 in words is "two hundred ten trillion, one hundred billion, one hundred one million, twelve thousand, one".

Divisors: 1 79 2659494949519 210100101012001