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112121103311 = 797709232901
BaseRepresentation
bin110100001101011110…
…0000100001111001111
3101201101220122012002222
41220122330010033033
53314111000301221
6123301400205555
711046315440060
oct1503274041717
9351356565088
10112121103311
1143606492458
12198911698bb
13a75aa96419
1455d8ba4567
152db342c9ab
hex1a1af043cf

112121103311 has 16 divisors (see below), whose sum is σ = 129642569280. Its totient is φ = 94978483200.

The previous prime is 112121103307. The next prime is 112121103329. The reversal of 112121103311 is 113301121211.

It is a cyclic number.

It is not a de Polignac number, because 112121103311 - 22 = 112121103307 is a prime.

It is a super-2 number, since 2×1121211033112 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121103311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121103331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364961 + ... + 597861.

It is an arithmetic number, because the mean of its divisors is an integer number (8102660580).

Almost surely, 2112121103311 is an apocalyptic number.

112121103311 is a deficient number, since it is larger than the sum of its proper divisors (17521465969).

112121103311 is an equidigital number, since it uses as much as digits as its factorization.

112121103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233714.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 112121103311 its reverse (113301121211), we get a palindrome (225422224522).

The spelling of 112121103311 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred three thousand, three hundred eleven".

Divisors: 1 7 97 679 709 4963 68773 232901 481411 1630307 22591397 158139779 165126809 1155887663 16017300473 112121103311