Search a number
-
+
120222211021 = 111011039104149
BaseRepresentation
bin110111111110111001…
…1010101101111001101
3102111022111022002201021
41233331303111233031
53432203341223041
6131121311114141
711454134634643
oct1577563255715
9374274262637
10120222211021
1146a933385a0
121b372212951
13b44c24a293
145b66a6b193
1531d974acd1
hex1bfdcd5bcd

120222211021 has 16 divisors (see below), whose sum is σ = 132578784000. Its totient is φ = 108105624000.

The previous prime is 120222211013. The next prime is 120222211037. The reversal of 120222211021 is 120112222021.

It is a happy number.

It is not a de Polignac number, because 120222211021 - 23 = 120222211013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120222210986 and 120222211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222211061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102255 + ... + 1206403.

It is an arithmetic number, because the mean of its divisors is an integer number (8286174000).

Almost surely, 2120222211021 is an apocalyptic number.

120222211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120222211021 is a deficient number, since it is larger than the sum of its proper divisors (12356572979).

120222211021 is a wasteful number, since it uses less digits than its factorization.

120222211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105300.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120222211021 its reverse (120112222021), we get a palindrome (240334433042).

The spelling of 120222211021 in words is "one hundred twenty billion, two hundred twenty-two million, two hundred eleven thousand, twenty-one".

Divisors: 1 11 101 1039 1111 11429 104149 104939 1145639 1154329 10519049 108210811 115709539 1190318921 10929291911 120222211021