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212101000210001 = 7166931815140651
BaseRepresentation
bin110000001110011110011100…
…110001100010011001010001
31000210222122202101102102210102
4300032132130301202121101
5210300030322023210001
62031033504312342145
762450535340052630
oct6016363461423121
91023878671372712
10212101000210001
116164459017a891
121b9567179a4955
13914706676cb26
143a53a59427517
15197c378e1ce6b
hexc0e79cc62651

212101000210001 has 8 divisors (see below), whose sum is σ = 242415664355904. Its totient is φ = 181789966378800.

The previous prime is 212101000209971. The next prime is 212101000210013. The reversal of 212101000210001 is 100012000101212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212101000210001 is a prime.

It is a super-2 number, since 2×2121010002100012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212101000210901) 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, 907453475 + ... + 907687176.

It is an arithmetic number, because the mean of its divisors is an integer number (30301958044488).

Almost surely, 2212101000210001 is an apocalyptic number.

It is an amenable number.

212101000210001 is a deficient number, since it is larger than the sum of its proper divisors (30314664145903).

212101000210001 is a wasteful number, since it uses less digits than its factorization.

212101000210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815157351.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212101000210001 its reverse (100012000101212), we get a palindrome (312113000311213).

The spelling of 212101000210001 in words is "two hundred twelve trillion, one hundred one billion, two hundred ten thousand, one".

Divisors: 1 7 16693 116851 1815140651 12705984557 30300142887143 212101000210001