Search a number
-
+
1112210101 = 7128575483
BaseRepresentation
bin100001001001010…
…1111101010110101
32212111211010102201
41002102233222311
54234211210401
6302210304501
736363426022
oct10222575265
92774733381
101112210101
115208a4a02
12270588131
131495674b2
14a79da549
1567998b01
hex424afab5

1112210101 has 8 divisors (see below), whose sum is σ = 1128475584. Its totient is φ = 1095961440.

The previous prime is 1112210063. The next prime is 1112210107. The reversal of 1112210101 is 1010122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112210101 - 29 = 1112209589 is a prime.

It is a super-2 number, since 2×11122101012 = 2474022617532860402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112210107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200106 + ... + 205588.

It is an arithmetic number, because the mean of its divisors is an integer number (141059448).

Almost surely, 21112210101 is an apocalyptic number.

It is an amenable number.

1112210101 is a deficient number, since it is larger than the sum of its proper divisors (16265483).

1112210101 is an equidigital number, since it uses as much as digits as its factorization.

1112210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1112210101 is about 33349.8141074279. The cubic root of 1112210101 is about 1036.0855378383.

Adding to 1112210101 its reverse (1010122111), we get a palindrome (2122332212).

The spelling of 1112210101 in words is "one billion, one hundred twelve million, two hundred ten thousand, one hundred one".

Divisors: 1 71 2857 5483 202847 389293 15664931 1112210101