Search a number
-
+
1111110020111 = 71373521321037
BaseRepresentation
bin10000001010110011010…
…100010110110000001111
310221012222011112021012002
4100022303110112300033
5121201023131120421
62210234211502515
7143163225224510
oct20126324266017
93835864467162
101111110020111
113992457045a3
1215b4105b7a3b
1380a14744180
143bac6c16a07
151dd81023b0b
hex102b3516c0f

1111110020111 has 32 divisors (see below), whose sum is σ = 1388918256768. Its totient is φ = 865410324480.

The previous prime is 1111110020093. The next prime is 1111110020123. The reversal of 1111110020111 is 1110200111111.

It is a happy number.

It is not a de Polignac number, because 1111110020111 - 26 = 1111110020047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111110020092 and 1111110020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111110020131) 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, 3300485 + ... + 3621521.

It is an arithmetic number, because the mean of its divisors is an integer number (43403695524).

Almost surely, 21111110020111 is an apocalyptic number.

1111110020111 is a deficient number, since it is larger than the sum of its proper divisors (277808236657).

1111110020111 is a wasteful number, since it uses less digits than its factorization.

1111110020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321651.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1111110020111 its reverse (1110200111111), we get a palindrome (2221310131222).

The spelling of 1111110020111 in words is "one trillion, one hundred eleven billion, one hundred ten million, twenty thousand, one hundred eleven".

Divisors: 1 7 13 73 91 511 521 949 3647 6643 6773 38033 47411 266231 321037 494429 2247259 3461003 4173481 23435701 29214367 164049907 167260277 304664113 1170821939 2132648791 2174383601 12210000221 15220685207 85470001547 158730002873 1111110020111