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1112101000121 = 29109351819361
BaseRepresentation
bin10000001011101110011…
…000101001001110111001
310221022112020020021012102
4100023232120221032321
5121210040324000441
62210520411553145
7143226620350166
oct20135630511671
93838466207172
101112101000121
11399704027541
1215b64845b7b5
1380b41b43887
143bb7c69706d
151dddd02269b
hex102ee6293b9

1112101000121 has 8 divisors (see below), whose sum is σ = 1161003894600. Its totient is φ = 1063901744640.

The previous prime is 1112101000097. The next prime is 1112101000139. The reversal of 1112101000121 is 1210001012111.

It can be written as a sum of positive squares in 4 ways, for example, as 72180344896 + 1039920655225 = 268664^2 + 1019765^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112101000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112101002121) 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, 175906520 + ... + 175912841.

It is an arithmetic number, because the mean of its divisors is an integer number (145125486825).

Almost surely, 21112101000121 is an apocalyptic number.

It is an amenable number.

1112101000121 is a deficient number, since it is larger than the sum of its proper divisors (48902894479).

1112101000121 is a wasteful number, since it uses less digits than its factorization.

1112101000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351819499.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1112101000121 its reverse (1210001012111), we get a palindrome (2322102012232).

The spelling of 1112101000121 in words is "one trillion, one hundred twelve billion, one hundred one million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 29 109 3161 351819361 10202761469 38348310349 1112101000121