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2101314121 = 171039118967
BaseRepresentation
bin111110100111111…
…1000001001001001
312102102222211001221
41331033320021021
513300414022441
6544302242041
7103033606144
oct17517701111
95372884057
102101314121
11989156445
124a7886321
1327645b04a
1415d10d05b
15c47268d1
hex7d3f8249

2101314121 has 8 divisors (see below), whose sum is σ = 2227080960. Its totient is φ = 1975787328.

The previous prime is 2101314113. The next prime is 2101314143. The reversal of 2101314121 is 1214131012.

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

It is not a de Polignac number, because 2101314121 - 23 = 2101314113 is a prime.

It is a super-2 number, since 2×21013141212 = 8831042070228005282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101314095 and 2101314104.

It is not an unprimeable number, because it can be changed into a prime (2101314181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41821 + ... + 77146.

It is an arithmetic number, because the mean of its divisors is an integer number (278385120).

Almost surely, 22101314121 is an apocalyptic number.

It is an amenable number.

2101314121 is a deficient number, since it is larger than the sum of its proper divisors (125766839).

2101314121 is a wasteful number, since it uses less digits than its factorization.

2101314121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120023.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2101314121 is about 45840.0929427505. The cubic root of 2101314121 is about 1280.8462261099.

Adding to 2101314121 its reverse (1214131012), we get a palindrome (3315445133).

The spelling of 2101314121 in words is "two billion, one hundred one million, three hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 17 1039 17663 118967 2022439 123606713 2101314121