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11210111201 = 23574756093
BaseRepresentation
bin10100111000010110…
…01011100011100001
31001221020210122121202
422130023023203201
5140424242024301
65052211330545
7544540241642
oct123413134341
931836718552
1011210111201
1148328a7513
12220a2b0a55
131098611cc3
14784b656c9
1545924466b
hex29c2cb8e1

11210111201 has 4 divisors (see below), whose sum is σ = 11214869652. Its totient is φ = 11205352752.

The previous prime is 11210111177. The next prime is 11210111203. The reversal of 11210111201 is 10211101211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10211101211 = 53192662287.

It can be written as a sum of positive squares in 2 ways, for example, as 2524057600 + 8686053601 = 50240^2 + 93199^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210111201 - 226 = 11143002337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210111203) 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, 2375690 + ... + 2380403.

It is an arithmetic number, because the mean of its divisors is an integer number (2803717413).

Almost surely, 211210111201 is an apocalyptic number.

It is an amenable number.

11210111201 is a deficient number, since it is larger than the sum of its proper divisors (4758451).

11210111201 is an equidigital number, since it uses as much as digits as its factorization.

11210111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758450.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11210111201 its reverse (10211101211), we get a palindrome (21421212412).

The spelling of 11210111201 in words is "eleven billion, two hundred ten million, one hundred eleven thousand, two hundred one".

Divisors: 1 2357 4756093 11210111201