Search a number
-
+
1112102121999 = 311711014699493
BaseRepresentation
bin10000001011101110011…
…100111011001000001111
310221022112022100021010110
4100023232130323020033
5121210041120400444
62210520452011103
7143226633032031
oct20135634731017
93838468307113
101112102121999
11399704723410
1215b648900a93
1380b421473cb
143bb7c8a9c51
151dddd194cb9
hex102ee73b20f

1112102121999 has 32 divisors (see below), whose sum is σ = 1656628028928. Its totient is φ = 657928880000.

The previous prime is 1112102121997. The next prime is 1112102122013. The reversal of 1112102121999 is 9991212012111.

It is a cyclic number.

It is not a de Polignac number, because 1112102121999 - 21 = 1112102121997 is a prime.

It is a super-2 number, since 2×11121021219992 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112102121997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2113104 + ... + 2586389.

It is an arithmetic number, because the mean of its divisors is an integer number (51769625904).

Almost surely, 21112102121999 is an apocalyptic number.

1112102121999 is a deficient number, since it is larger than the sum of its proper divisors (544525906929).

1112102121999 is a wasteful number, since it uses less digits than its factorization.

1112102121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699679.

The product of its (nonzero) digits is 5832, while the sum is 39.

The spelling of 1112102121999 in words is "one trillion, one hundred twelve billion, one hundred two million, one hundred twenty-one thousand, nine hundred ninety-nine".

Divisors: 1 3 11 33 71 101 213 303 781 1111 2343 3333 7171 21513 78881 236643 4699493 14098479 51694423 155083269 333664003 474648793 1000992009 1423946379 3670304033 5221136723 11010912099 15663410169 33700064303 101100192909 370700707333 1112102121999