Search a number
-
+
1211120211121 = 17946714488297
BaseRepresentation
bin10001100111111100011…
…000111101010010110001
311021210010001100100212121
4101213330120331102301
5124320333233223441
62324214141154241
7153333454636432
oct21477430752261
94253101310777
101211120211121
114276a6870317
1217688185b981
138a2923b13a2
144289336b489
15217860c2dd1
hex119fc63d4b1

1211120211121 has 8 divisors (see below), whose sum is σ = 1220494223520. Its totient is φ = 1201775176608.

The previous prime is 1211120211097. The next prime is 1211120211139.

1211120211121 is nontrivially palindromic in base 10.

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 1211120211121 - 25 = 1211120211089 is a prime.

It is a super-3 number, since 3×12111202111213 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211120211095 and 1211120211104.

It is not an unprimeable number, because it can be changed into a prime (1211120211421) 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, 7160556 + ... + 7327741.

It is an arithmetic number, because the mean of its divisors is an integer number (152561777940).

Almost surely, 21211120211121 is an apocalyptic number.

It is an amenable number.

1211120211121 is a deficient number, since it is larger than the sum of its proper divisors (9374012399).

1211120211121 is a wasteful number, since it uses less digits than its factorization.

1211120211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488943.

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

It can be divided in two parts, 1211120 and 211121, that added together give a palindrome (1422241).

The spelling of 1211120211121 in words is "one trillion, two hundred eleven billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 179 467 83593 14488297 2593405163 6766034699 1211120211121