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2111122222102 = 23159577124719
BaseRepresentation
bin11110101110001000101…
…100001010110000010110
321110211011201220121122201
4132232020230022300112
5234042034242101402
64253500335515114
7305344401544045
oct36561054126026
97424151817581
102111122222102
1174435a503a83
122a1196688a9a
131241023c290a
1474270b1855c
1539dad89a687
hex1eb88b0ac16

2111122222102 has 16 divisors (see below), whose sum is σ = 3324238387200. Its totient is φ = 1004197009320.

The previous prime is 2111122222067. The next prime is 2111122222103. The reversal of 2111122222102 is 2012222211112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111122222102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111122222103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288558702 + ... + 288566017.

It is an arithmetic number, because the mean of its divisors is an integer number (207764899200).

Almost surely, 22111122222102 is an apocalyptic number.

2111122222102 is a deficient number, since it is larger than the sum of its proper divisors (1213116165098).

2111122222102 is a wasteful number, since it uses less digits than its factorization.

2111122222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577124811.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2111122222102 its reverse (2012222211112), we get a palindrome (4123344433214).

The spelling of 2111122222102 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred two".

Divisors: 1 2 31 59 62 118 1829 3658 577124719 1154249438 17890866289 34050358421 35781732578 68100716842 1055561111051 2111122222102