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112131112102021 = 1511814102707991
BaseRepresentation
bin11001011111101110001111…
…000110101110100010000101
3112201000121222222221111212201
4121133232033012232202011
5104144124004144231041
61034252153300114501
732422130326511125
oct3137561706564205
9481017888844781
10112131112102021
11328015a0590891
12106ab916695a31
134a74bc2c3758c
141d99263868c85
15ce6bc2eca631
hex65fb8f1ae885

112131112102021 has 8 divisors (see below), whose sum is σ = 113497313890688. Its totient is φ = 110773115730000.

The previous prime is 112131112101991. The next prime is 112131112102063. The reversal of 112131112102021 is 120201211131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112131112102021 - 223 = 112131103713413 is a prime.

It is a super-3 number, since 3×1121311121020213 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112131112102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131112102091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051326665 + ... + 2051381326.

It is an arithmetic number, because the mean of its divisors is an integer number (14187164236336).

Almost surely, 2112131112102021 is an apocalyptic number.

It is an amenable number.

112131112102021 is a deficient number, since it is larger than the sum of its proper divisors (1366201788667).

112131112102021 is a wasteful number, since it uses less digits than its factorization.

112131112102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102708323.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 112131112102021 its reverse (120201211131211), we get a palindrome (232332323233232).

The spelling of 112131112102021 in words is "one hundred twelve trillion, one hundred thirty-one billion, one hundred twelve million, one hundred two thousand, twenty-one".

Divisors: 1 151 181 27331 4102707991 619508906641 742590146371 112131112102021