Search a number
-
+
112102112210021 = 4123573230335911
BaseRepresentation
bin11001011111010011001110…
…100100111010110001100101
3112200220212010221112100202122
4121133103032210322301211
5104143140111211210041
61034230555511515325
732420052562503053
oct3137231644726145
9480825127470678
10112102112210021
11327a026993479a
12106a6182688b45
134a72250b1987b
141d97ab21991d3
15ce60770a4c4b
hex65f4ce93ac65

112102112210021 has 16 divisors (see below), whose sum is σ = 114891787196928. Its totient is φ = 109315084636800.

The previous prime is 112102112210009. The next prime is 112102112210113. The reversal of 112102112210021 is 120012211201211.

It is a cyclic number.

It is not a de Polignac number, because 112102112210021 - 26 = 112102112209957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102112215021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121647056 + ... + 3121682966.

It is an arithmetic number, because the mean of its divisors is an integer number (7180736699808).

Almost surely, 2112102112210021 is an apocalyptic number.

It is an amenable number.

112102112210021 is a deficient number, since it is larger than the sum of its proper divisors (2789674986907).

112102112210021 is a wasteful number, since it uses less digits than its factorization.

112102112210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70612.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112102112210021 its reverse (120012211201211), we get a palindrome (232114323411232).

The spelling of 112102112210021 in words is "one hundred twelve trillion, one hundred two billion, one hundred twelve million, two hundred ten thousand, twenty-one".

Divisors: 1 41 2357 32303 35911 96637 1324423 1472351 76138171 84642227 1160033033 3121665011 3470331307 47561354353 2734197858781 112102112210021