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112155212001 = 375340724381
BaseRepresentation
bin110100001110011111…
…0001011100011100001
3101201111021211002102210
41220130332023203201
53314143213241001
6123305015232333
711050211400240
oct1503476134341
9351437732383
10112155212001
1143623769858
12198a06786a9
13a764b79591
1455dd522957
152db6418dd6
hex1a1cf8b8e1

112155212001 has 8 divisors (see below), whose sum is σ = 170903180224. Its totient is φ = 64088692560.

The previous prime is 112155211997. The next prime is 112155212047. The reversal of 112155212001 is 100212551211.

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

It is not a de Polignac number, because 112155212001 - 22 = 112155211997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5340724381 = 112155212001 / (1 + 1 + 2 + 1 + 5 + 5 + 2 + 1 + 2 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (112155212051) 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 7 ways as a sum of consecutive naturals, for example, 2670362170 + ... + 2670362211.

It is an arithmetic number, because the mean of its divisors is an integer number (21362897528).

Almost surely, 2112155212001 is an apocalyptic number.

It is an amenable number.

112155212001 is a deficient number, since it is larger than the sum of its proper divisors (58747968223).

112155212001 is an equidigital number, since it uses as much as digits as its factorization.

112155212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340724391.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 112155212001 its reverse (100212551211), we get a palindrome (212367763212).

The spelling of 112155212001 in words is "one hundred twelve billion, one hundred fifty-five million, two hundred twelve thousand, one".

Divisors: 1 3 7 21 5340724381 16022173143 37385070667 112155212001