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212133031110001 = 631336185469271
BaseRepresentation
bin110000001110111100010001…
…111101101110010101110001
31000211002201102200012202020001
4300032330101331232111301
5210301041421431010001
62031100322533550001
762453051160161011
oct6016742175562561
91024081380182201
10212133031110001
1161657127846071
121b960976aa5301
13914a09c80aab1
143a55417491c41
15197d100eb0001
hexc0ef11f6e571

212133031110001 has 4 divisors (see below), whose sum is σ = 212469216579904. Its totient is φ = 211796845640100.

The previous prime is 212133031109999. The next prime is 212133031110029. The reversal of 212133031110001 is 100011130331212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212133031110001 - 21 = 212133031109999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212133031110031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168092734005 + ... + 168092735266.

It is an arithmetic number, because the mean of its divisors is an integer number (53117304144976).

Almost surely, 2212133031110001 is an apocalyptic number.

It is an amenable number.

212133031110001 is a deficient number, since it is larger than the sum of its proper divisors (336185469903).

212133031110001 is an equidigital number, since it uses as much as digits as its factorization.

212133031110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336185469902.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 212133031110001 its reverse (100011130331212), we get a palindrome (312144161441213).

The spelling of 212133031110001 in words is "two hundred twelve trillion, one hundred thirty-three billion, thirty-one million, one hundred ten thousand, one".

Divisors: 1 631 336185469271 212133031110001