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12212110111101 = 316324973640309
BaseRepresentation
bin1011000110110101101001…
…1111000011000101111101
31121020110120221200011200020
42301231122133003011331
53100040400142023401
641550055501522353
72400203321136615
oct261553237030575
947213527604606
1012212110111101
11398914387478a
121452956b733b9
136a779b917374
143030d8181a45
151629e9615d36
hexb1b5a7c317d

12212110111101 has 8 divisors (see below), whose sum is σ = 16382708043360. Its totient is φ = 8091459459792.

The previous prime is 12212110111099. The next prime is 12212110111111. The reversal of 12212110111101 is 10111101121221.

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

It is not a de Polignac number, because 12212110111101 - 21 = 12212110111099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212110111111) 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, 12486819666 + ... + 12486820643.

It is an arithmetic number, because the mean of its divisors is an integer number (2047838505420).

Almost surely, 212212110111101 is an apocalyptic number.

It is an amenable number.

12212110111101 is a deficient number, since it is larger than the sum of its proper divisors (4170597932259).

12212110111101 is a wasteful number, since it uses less digits than its factorization.

12212110111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24973640475.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12212110111101 its reverse (10111101121221), we get a palindrome (22323211232322).

The spelling of 12212110111101 in words is "twelve trillion, two hundred twelve billion, one hundred ten million, one hundred eleven thousand, one hundred one".

Divisors: 1 3 163 489 24973640309 74920920927 4070703370367 12212110111101