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12110132101 = 21157393991
BaseRepresentation
bin10110100011101000…
…11111001110000101
31011020222100110012011
423101310133032011
5144300143211401
65321402054221
7606046265404
oct132164371605
934228313164
1012110132101
115154943541
12241b7aa371
1311acc15052
1482c4c963b
154ad277451
hex2d1d1f385

12110132101 has 4 divisors (see below), whose sum is σ = 12167526304. Its totient is φ = 12052737900.

The previous prime is 12110132093. The next prime is 12110132129. The reversal of 12110132101 is 10123101121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10123101121 = 71446157303.

It is a cyclic number.

It is not a de Polignac number, because 12110132101 - 23 = 12110132093 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 (12110132141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28696785 + ... + 28697206.

It is an arithmetic number, because the mean of its divisors is an integer number (3041881576).

Almost surely, 212110132101 is an apocalyptic number.

It is an amenable number.

12110132101 is a deficient number, since it is larger than the sum of its proper divisors (57394203).

12110132101 is an equidigital number, since it uses as much as digits as its factorization.

12110132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57394202.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12110132101 its reverse (10123101121), we get a palindrome (22233233222).

The spelling of 12110132101 in words is "twelve billion, one hundred ten million, one hundred thirty-two thousand, one hundred one".

Divisors: 1 211 57393991 12110132101