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112121120102 = 2177993412571
BaseRepresentation
bin110100001101011110…
…0001000010101100110
3101201101220200001010212
41220122330020111212
53314111001320402
6123301400415422
711046315540035
oct1503274102546
9351356601125
10112121120102
11436064a4032
1219891177572
13a75aaa0c64
1455d8baa71c
152db3432952
hex1a1af08566

112121120102 has 16 divisors (see below), whose sum is σ = 178097430672. Its totient is φ = 52756151040.

The previous prime is 112121120101. The next prime is 112121120113. The reversal of 112121120102 is 201021121211.

It is a super-2 number, since 2×1121211201022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65477 + ... + 478047.

It is an arithmetic number, because the mean of its divisors is an integer number (11131089417).

Almost surely, 2112121120102 is an apocalyptic number.

112121120102 is a deficient number, since it is larger than the sum of its proper divisors (65976310570).

112121120102 is a wasteful number, since it uses less digits than its factorization.

112121120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420583.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112121120102 its reverse (201021121211), we get a palindrome (313142241313).

It can be divided in two parts, 1121211 and 20102, that multiplied together give a palindrome (22538583522).

The spelling of 112121120102 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 17 34 7993 15986 135881 271762 412571 825142 7013707 14027414 3297680003 6595360006 56060560051 112121120102