Search a number
-
+
121302022111 = 191635089121
BaseRepresentation
bin111000011111000101…
…0011111011111011111
3102121002202011012001121
41300332022133133133
53441411304201421
6131420403151411
711522656114144
oct1607612373737
9377082135047
10121302022111
1147497913656
121b613975567
13b591b7c85a
145c2a2323cb
15324e444d41
hex1c3e29f7df

121302022111 has 4 divisors (see below), whose sum is σ = 121937111424. Its totient is φ = 120666932800.

The previous prime is 121302022097. The next prime is 121302022117. The reversal of 121302022111 is 111220203121.

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

It is a cyclic number.

It is not a de Polignac number, because 121302022111 - 213 = 121302013919 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 (121302022117) 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, 317544370 + ... + 317544751.

It is an arithmetic number, because the mean of its divisors is an integer number (30484277856).

Almost surely, 2121302022111 is an apocalyptic number.

121302022111 is a deficient number, since it is larger than the sum of its proper divisors (635089313).

121302022111 is an equidigital number, since it uses as much as digits as its factorization.

121302022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635089312.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121302022111 its reverse (111220203121), we get a palindrome (232522225232).

The spelling of 121302022111 in words is "one hundred twenty-one billion, three hundred two million, twenty-two thousand, one hundred eleven".

Divisors: 1 191 635089121 121302022111