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1112102101 = 11311325081
BaseRepresentation
bin100001001001001…
…0101010011010101
32212111121122021201
41002102111103111
54234144231401
6302204112501
736362466115
oct10222252325
92774548251
101112102101
11520830850
12270535731
1314952a2a6
14a79ad045
1567976b01
hex424954d5

1112102101 has 8 divisors (see below), whose sum is σ = 1217107008. Its totient is φ = 1007748000.

The previous prime is 1112102087. The next prime is 1112102137. The reversal of 1112102101 is 1012012111.

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 1112102101 - 221 = 1110004949 is a prime.

It is a super-2 number, since 2×11121021012 = 2473542166097228402, 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 (1112102501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159120 + ... + 165961.

It is an arithmetic number, because the mean of its divisors is an integer number (152138376).

Almost surely, 21112102101 is an apocalyptic number.

1112102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112102101 is a deficient number, since it is larger than the sum of its proper divisors (105004907).

1112102101 is a wasteful number, since it uses less digits than its factorization.

1112102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325403.

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

The square root of 1112102101 is about 33348.1948686882. The cubic root of 1112102101 is about 1036.0520007514.

Adding to 1112102101 its reverse (1012012111), we get a palindrome (2124114212).

It can be divided in two parts, 111210 and 2101, that added together give a palindrome (113311).

The spelling of 1112102101 in words is "one billion, one hundred twelve million, one hundred two thousand, one hundred one".

Divisors: 1 11 311 3421 325081 3575891 101100191 1112102101