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1012222112211 = 321013892862611
BaseRepresentation
bin11101011101011010010…
…00111011000111010011
310120202201111111001111200
432232231020323013103
5113041012330042321
62053001452442243
7133062543664152
oct16565510730723
93522644431450
101012222112211
1136030aaa2782
12144213179383
13745b545a2bb
1436dc5761599
151b4e475cd26
hexebad23b1d3

1012222112211 has 24 divisors (see below), whose sum is σ = 1480371169680. Its totient is φ = 666415608000.

The previous prime is 1012222112197. The next prime is 1012222112249. The reversal of 1012222112211 is 1122112222101.

1012222112211 is a `hidden beast` number, since 10 + 1 + 222 + 211 + 221 + 1 = 666.

It is not a de Polignac number, because 1012222112211 - 26 = 1012222112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012222112411) 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 23 ways as a sum of consecutive naturals, for example, 1077705 + ... + 1784906.

It is an arithmetic number, because the mean of its divisors is an integer number (61682132070).

Almost surely, 21012222112211 is an apocalyptic number.

1012222112211 is a deficient number, since it is larger than the sum of its proper divisors (468149057469).

1012222112211 is a wasteful number, since it uses less digits than its factorization.

1012222112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863107 (or 2863104 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1012222112211 its reverse (1122112222101), we get a palindrome (2134334334312).

The spelling of 1012222112211 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 3 9 101 303 389 909 1167 3501 39289 117867 353601 2862611 8587833 25763499 289123711 867371133 1113555679 2602113399 3340667037 10022001111 112469123579 337407370737 1012222112211