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111211100000211 = 351940377137101
BaseRepresentation
bin11001010010010101011010…
…000111000100111111010011
3112120202200021202212022211110
4121102111122013010333103
5104034040313100001321
61032305401331544403
732265510505621341
oct3122253207047723
9476680252768743
10111211100000211
11324873a9756782
121058155845b103
134a09214427413
141d6690872a991
15ccccc8b42176
hex65255a1c4fd3

111211100000211 has 8 divisors (see below), whose sum is σ = 148281515991504. Its totient is φ = 74140708671200.

The previous prime is 111211100000173. The next prime is 111211100000219. The reversal of 111211100000211 is 112000001112111.

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-111211100000211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111211100000219) 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, 12013561 + ... + 19150661.

It is an arithmetic number, because the mean of its divisors is an integer number (18535189498938).

Almost surely, 2111211100000211 is an apocalyptic number.

111211100000211 is a deficient number, since it is larger than the sum of its proper divisors (37070415991293).

111211100000211 is an equidigital number, since it uses as much as digits as its factorization.

111211100000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331141.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111211100000211 its reverse (112000001112111), we get a palindrome (223211101112322).

The spelling of 111211100000211 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred million, two hundred eleven", and thus it is an aban number.

Divisors: 1 3 5194037 7137101 15582111 21411303 37070366666737 111211100000211