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2221105232111 = 17091371194789
BaseRepresentation
bin100000010100100100001…
…100000011100011101111
321212100001122100102010212
4200110210030003203233
5242342310414411421
64420210041253035
7316320025653023
oct40244414034357
97770048312125
102221105232111
11786a68aaa277
122ba56b79417b
131315ac22146c
1479705958383
153cb99238e5b
hex205243038ef

2221105232111 has 8 divisors (see below), whose sum is σ = 2222590420800. Its totient is φ = 2219620263840.

The previous prime is 2221105232057. The next prime is 2221105232153. The reversal of 2221105232111 is 1112325011222.

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-2221105232111 is a prime.

It is a super-2 number, since 2×22211052321112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221105237111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23384705 + ... + 23479493.

It is an arithmetic number, because the mean of its divisors is an integer number (277823802600).

Almost surely, 22221105232111 is an apocalyptic number.

2221105232111 is a deficient number, since it is larger than the sum of its proper divisors (1485188689).

2221105232111 is a wasteful number, since it uses less digits than its factorization.

2221105232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110209.

The product of its (nonzero) digits is 480, while the sum is 23.

The spelling of 2221105232111 in words is "two trillion, two hundred twenty-one billion, one hundred five million, two hundred thirty-two thousand, one hundred eleven".

Divisors: 1 1709 13711 94789 23432099 161994401 1299651979 2221105232111