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2111346121 = 19728337871
BaseRepresentation
bin111110111011000…
…1001010111001001
312110010212111101111
41331312021113021
513311001033441
6545301250321
7103215101023
oct17566112711
95403774344
102111346121
11993888655
124ab1039a1
13278561341
141605a1013
15c5559081
hex7dd895c9

2111346121 has 8 divisors (see below), whose sum is σ = 2129618304. Its totient is φ = 2093150640.

The previous prime is 2111346119. The next prime is 2111346163. The reversal of 2111346121 is 1216431112.

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 2111346121 - 21 = 2111346119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111346092 and 2111346101.

It is not an unprimeable number, because it can be changed into a prime (2111346191) 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, 36816 + ... + 74686.

It is an arithmetic number, because the mean of its divisors is an integer number (266202288).

Almost surely, 22111346121 is an apocalyptic number.

It is an amenable number.

2111346121 is a deficient number, since it is larger than the sum of its proper divisors (18272183).

2111346121 is a wasteful number, since it uses less digits than its factorization.

2111346121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38351.

The product of its digits is 288, while the sum is 22.

The square root of 2111346121 is about 45949.3865138589. The cubic root of 2111346121 is about 1282.8813105448.

Adding to 2111346121 its reverse (1216431112), we get a palindrome (3327777233).

The spelling of 2111346121 in words is "two billion, one hundred eleven million, three hundred forty-six thousand, one hundred twenty-one".

Divisors: 1 197 283 37871 55751 7460587 10717493 2111346121