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11210122001 = 13862317077
BaseRepresentation
bin10100111000010110…
…01110001100010001
31001221020211012102202
422130023032030101
5140424242401001
65052211452545
7544540315301
oct123413161421
931836735382
1011210122001
114832904641
12220a2b7155
131098616bb0
14784b69601
1545924796b
hex29c2ce311

11210122001 has 4 divisors (see below), whose sum is σ = 12072439092. Its totient is φ = 10347804912.

The previous prime is 11210121977. The next prime is 11210122087. The reversal of 11210122001 is 10022101211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10022101211 = 57117551841.

It can be written as a sum of positive squares in 2 ways, for example, as 2434929025 + 8775192976 = 49345^2 + 93676^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210122001 - 214 = 11210105617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210122601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431158526 + ... + 431158551.

It is an arithmetic number, because the mean of its divisors is an integer number (3018109773).

Almost surely, 211210122001 is an apocalyptic number.

It is an amenable number.

11210122001 is a deficient number, since it is larger than the sum of its proper divisors (862317091).

11210122001 is an equidigital number, since it uses as much as digits as its factorization.

11210122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862317090.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11210122001 its reverse (10022101211), we get a palindrome (21232223212).

The spelling of 11210122001 in words is "eleven billion, two hundred ten million, one hundred twenty-two thousand, one".

Divisors: 1 13 862317077 11210122001