Search a number
-
+
121110012000101 = 547221407700183
BaseRepresentation
bin11011100010011000011111…
…001111100111011101100101
3120212211000002222012002211202
4123202120133033213131211
5111333231301033000401
61105325101010212245
734336623666413315
oct3342303717473545
9525730088162752
10121110012000101
1135653516496053
12116bbb21b84085
135276818534457
1421c9a82101445
15e0053908506b
hex6e261f3e7765

121110012000101 has 4 divisors (see below), whose sum is σ = 121331419700832. Its totient is φ = 120888604299372.

The previous prime is 121110011999989. The next prime is 121110012000139. The reversal of 121110012000101 is 101000210011121.

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 121110012000101 - 226 = 121109944891237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110012006101) 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, 110703849545 + ... + 110703850638.

It is an arithmetic number, because the mean of its divisors is an integer number (30332854925208).

Almost surely, 2121110012000101 is an apocalyptic number.

It is an amenable number.

121110012000101 is a deficient number, since it is larger than the sum of its proper divisors (221407700731).

121110012000101 is an equidigital number, since it uses as much as digits as its factorization.

121110012000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221407700730.

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

Adding to 121110012000101 its reverse (101000210011121), we get a palindrome (222110222011222).

The spelling of 121110012000101 in words is "one hundred twenty-one trillion, one hundred ten billion, twelve million, one hundred one", and thus it is an aban number.

Divisors: 1 547 221407700183 121110012000101