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12113201101 = 47257727683
BaseRepresentation
bin10110100100000000…
…01100011111001101
31011021012010101001211
423102000030133031
5144301434413401
65321551534421
7606114340051
oct132200143715
934235111054
1012113201101
11515664a301
12242082a411
1311b074ac21
1482ca87c61
154ad681951
hex2d200c7cd

12113201101 has 4 divisors (see below), whose sum is σ = 12370928832. Its totient is φ = 11855473372.

The previous prime is 12113201059. The next prime is 12113201143. The reversal of 12113201101 is 10110231121.

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: 10110231121 = 85311852557.

It is an interprime number because it is at equal distance from previous prime (12113201059) and next prime (12113201143).

It is a cyclic number.

It is not a de Polignac number, because 12113201101 - 213 = 12113192909 is a prime.

It is a super-2 number, since 2×121132011012 (a number of 21 digits) 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 (12113201201) 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, 128863795 + ... + 128863888.

It is an arithmetic number, because the mean of its divisors is an integer number (3092732208).

Almost surely, 212113201101 is an apocalyptic number.

It is an amenable number.

12113201101 is a deficient number, since it is larger than the sum of its proper divisors (257727731).

12113201101 is an equidigital number, since it uses as much as digits as its factorization.

12113201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257727730.

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

Adding to 12113201101 its reverse (10110231121), we get a palindrome (22223432222).

The spelling of 12113201101 in words is "twelve billion, one hundred thirteen million, two hundred one thousand, one hundred one".

Divisors: 1 47 257727683 12113201101