Search a number
-
+
11200121201 = 92347121283
BaseRepresentation
bin10100110111001010…
…00100100101110001
31001220120000002220202
422123211010211301
5140414212334301
65051213244545
7544356313403
oct123345044561
931816002822
1011200121201
1148281a3915
122206a93755
131096524b69
147836c4b73
1545841e66b
hex29b944971

11200121201 has 4 divisors (see below), whose sum is σ = 11200334832. Its totient is φ = 11199907572.

The previous prime is 11200121183. The next prime is 11200121269. The reversal of 11200121201 is 10212100211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11200121201 - 26 = 11200121137 is a prime.

It is a super-3 number, since 3×112001212013 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200121281) 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, 31706 + ... + 152988.

It is an arithmetic number, because the mean of its divisors is an integer number (2800083708).

Almost surely, 211200121201 is an apocalyptic number.

It is an amenable number.

11200121201 is a deficient number, since it is larger than the sum of its proper divisors (213631).

11200121201 is an equidigital number, since it uses as much as digits as its factorization.

11200121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213630.

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

Adding to 11200121201 its reverse (10212100211), we get a palindrome (21412221412).

The spelling of 11200121201 in words is "eleven billion, two hundred million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 92347 121283 11200121201