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110212110202001 = 1011091209011901
BaseRepresentation
bin11001000011110011000001…
…101011011011010010010001
3112110020011201110022110200112
4121003303001223123102101
5103421203400202431001
61030222424445331105
732133363555503123
oct3103630153332221
9473204643273615
10110212110202001
1132131769a923a5
121043ba18866a95
134965c5a52b422
141d3041a529213
15cb1d0ae24cbb
hex643cc1adb491

110212110202001 has 4 divisors (see below), whose sum is σ = 111303319214004. Its totient is φ = 109120901190000.

The previous prime is 110212110201953. The next prime is 110212110202037. The reversal of 110212110202001 is 100202011212011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96920106729601 + 13292003472400 = 9844801^2 + 3645820^2 .

It is a cyclic number.

It is not a de Polignac number, because 110212110202001 - 242 = 105814063690897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110212110202301) 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, 545604505850 + ... + 545604506051.

It is an arithmetic number, because the mean of its divisors is an integer number (27825829803501).

Almost surely, 2110212110202001 is an apocalyptic number.

It is an amenable number.

110212110202001 is a deficient number, since it is larger than the sum of its proper divisors (1091209012003).

110212110202001 is a wasteful number, since it uses less digits than its factorization.

110212110202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091209012002.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110212110202001 its reverse (100202011212011), we get a palindrome (210414121414012).

The spelling of 110212110202001 in words is "one hundred ten trillion, two hundred twelve billion, one hundred ten million, two hundred two thousand, one".

Divisors: 1 101 1091209011901 110212110202001