Search a number
-
+
101212212222022 = 21129158639831069
BaseRepresentation
bin10111000000110101001101…
…111101001101100001000110
3111021100210102002110210111111
4113000311031331031201012
5101231230102312101042
6555132125353355234
730214224654052156
oct2700651575154106
9437323362423444
10101212212222022
112a281949225440
12b427731108b1a
13446236983b815
141adc9a91dc766
15ba7b6669b517
hex5c0d4df4d846

101212212222022 has 16 divisors (see below), whose sum is σ = 171331017555600. Its totient is φ = 44419152699040.

The previous prime is 101212212221999. The next prime is 101212212222029. The reversal of 101212212222022 is 220222212212101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 101212212221984 and 101212212222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212212222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79319914897 + ... + 79319916172.

It is an arithmetic number, because the mean of its divisors is an integer number (10708188597225).

Almost surely, 2101212212222022 is an apocalyptic number.

101212212222022 is a deficient number, since it is larger than the sum of its proper divisors (70118805333578).

101212212222022 is a wasteful number, since it uses less digits than its factorization.

101212212222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158639831111.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 101212212222022 its reverse (220222212212101), we get a palindrome (321434424434123).

The spelling of 101212212222022 in words is "one hundred one trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".

Divisors: 1 2 11 22 29 58 319 638 158639831069 317279662138 1745038141759 3490076283518 4600555101001 9201110202002 50606106111011 101212212222022