Search a number
-
+
122021323311 = 337229710573
BaseRepresentation
bin111000110100100001…
…0011010001000101111
3102122221212122110210210
41301221002122020233
53444344424321221
6132020020233503
711546542064166
oct1615102321057
9378855573723
10122021323311
1147826946258
121b79483b893
13b677bb9274
145c979923dd
15329267b276
hex1c6909a22f

122021323311 has 12 divisors (see below), whose sum is σ = 167211110472. Its totient is φ = 79148963808.

The previous prime is 122021323279. The next prime is 122021323363. The reversal of 122021323311 is 113323120221.

It is not a de Polignac number, because 122021323311 - 25 = 122021323279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021323111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14851180 + ... + 14859393.

It is an arithmetic number, because the mean of its divisors is an integer number (13934259206).

Almost surely, 2122021323311 is an apocalyptic number.

122021323311 is a deficient number, since it is larger than the sum of its proper divisors (45189787161).

122021323311 is an equidigital number, since it uses as much as digits as its factorization.

122021323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29710650 (or 29710613 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122021323311 its reverse (113323120221), we get a palindrome (235344443532).

The spelling of 122021323311 in words is "one hundred twenty-two billion, twenty-one million, three hundred twenty-three thousand, three hundred eleven".

Divisors: 1 3 37 111 1369 4107 29710573 89131719 1099291201 3297873603 40673774437 122021323311