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201120122012101 = 321814362495707
BaseRepresentation
bin101101101110101011101101…
…011011100000000111000101
3222101002220012002210221200121
4231232223231123200013011
5202330123002213341401
61551425150351341541
760235310053320415
oct5556535533400705
9871086162727617
10201120122012101
11590a0623759906
121a682515b218b1
13882b713ac1796
1437943a1694645
15183b8e135cca1
hexb6eaed6e01c5

201120122012101 has 4 divisors (see below), whose sum is σ = 201120187725952. Its totient is φ = 201120056298252.

The previous prime is 201120122012021. The next prime is 201120122012107. The reversal of 201120122012101 is 101210221021102.

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.

It is a cyclic number.

It is not a de Polignac number, because 201120122012101 - 237 = 200982683058629 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 (201120122012107) 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, 28029711 + ... + 34465996.

It is an arithmetic number, because the mean of its divisors is an integer number (50280046931488).

Almost surely, 2201120122012101 is an apocalyptic number.

It is an amenable number.

201120122012101 is a deficient number, since it is larger than the sum of its proper divisors (65713851).

201120122012101 is an equidigital number, since it uses as much as digits as its factorization.

201120122012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65713850.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201120122012101 its reverse (101210221021102), we get a palindrome (302330343033203).

Subtracting from 201120122012101 its reverse (101210221021102), we obtain a palindrome (99909900990999).

The spelling of 201120122012101 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty-two million, twelve thousand, one hundred one".

Divisors: 1 3218143 62495707 201120122012101