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2211211111102 = 27639724690269
BaseRepresentation
bin100000001011010110011…
…100111110101010111110
321211101112002210222200121
4200023112130332222332
5242212030021023402
64411452200045154
7315516605220130
oct40132634765276
97741462728617
102211211111102
11782851031764
122b866a1637ba
131306934556a6
14790478b7050
153c7ba7e2837
hex202d673eabe

2211211111102 has 16 divisors (see below), whose sum is σ = 3791240339040. Its totient is φ = 947513724768.

The previous prime is 2211211111033. The next prime is 2211211111103. The reversal of 2211211111102 is 2011111121122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211211111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12255577 + ... + 12434692.

It is an arithmetic number, because the mean of its divisors is an integer number (236952521190).

Almost surely, 22211211111102 is an apocalyptic number.

2211211111102 is a deficient number, since it is larger than the sum of its proper divisors (1580029227938).

2211211111102 is a wasteful number, since it uses less digits than its factorization.

2211211111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696675.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 2211211111102 its reverse (2011111121122), we get a palindrome (4222322232224).

The spelling of 2211211111102 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred eleven thousand, one hundred two".

Divisors: 1 2 7 14 6397 12794 44779 89558 24690269 49380538 172831883 345663766 157943650793 315887301586 1105605555551 2211211111102