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112220010221 = 112927438101
BaseRepresentation
bin110100010000011010…
…1010111011011101101
3101201122210202011212212
41220200311113123231
53314311310311341
6123315252140205
711051626230314
oct1504065273355
9351583664785
10112220010221
11436572a7700
12198ba307665
13a775416517
145607d8d27b
152dbbe685eb
hex1a20d576ed

112220010221 has 6 divisors (see below), whose sum is σ = 123349267566. Its totient is φ = 102018191000.

The previous prime is 112220010209. The next prime is 112220010223. The reversal of 112220010221 is 122010022211.

It can be written as a sum of positive squares in only one way, i.e., 110898324196 + 1321686025 = 333014^2 + 36355^2 .

It is not a de Polignac number, because 112220010221 - 218 = 112219748077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220010196 and 112220010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220010223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463718930 + ... + 463719171.

It is an arithmetic number, because the mean of its divisors is an integer number (20558211261).

Almost surely, 2112220010221 is an apocalyptic number.

112220010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112220010221 is a deficient number, since it is larger than the sum of its proper divisors (11129257345).

112220010221 is an equidigital number, since it uses as much as digits as its factorization.

112220010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927438123 (or 927438112 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112220010221 its reverse (122010022211), we get a palindrome (234230032432).

The spelling of 112220010221 in words is "one hundred twelve billion, two hundred twenty million, ten thousand, two hundred twenty-one".

Divisors: 1 11 121 927438101 10201819111 112220010221