Search a number
-
+
2111111120102 = 29767716073879
BaseRepresentation
bin11110101110001000000…
…001110100010011100110
321110211010222000120120112
4132232020001310103212
5234042023421320402
64253455301533022
7305344205304515
oct36561001642346
97424128016515
102111111120102
11744354210976
122a1192a14172
1312410000659a
147426d46867c
1539dac905e52
hex1eb880744e6

2111111120102 has 16 divisors (see below), whose sum is σ = 3204038648160. Its totient is φ = 1043130386688.

The previous prime is 2111111120093. The next prime is 2111111120113. The reversal of 2111111120102 is 2010211111112.

It is a super-2 number, since 2×21111111201022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7905602 + ... + 8168277.

It is an arithmetic number, because the mean of its divisors is an integer number (200252415510).

Almost surely, 22111111120102 is an apocalyptic number.

2111111120102 is a deficient number, since it is larger than the sum of its proper divisors (1092927528058).

2111111120102 is a wasteful number, since it uses less digits than its factorization.

2111111120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074655.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111111120102 its reverse (2010211111112), we get a palindrome (4121322231214).

The spelling of 2111111120102 in words is "two trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 97 194 677 1354 65669 131338 16073879 32147758 1559166263 3118332526 10882016083 21764032166 1055555560051 2111111120102