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120222022221 = 3271908286067
BaseRepresentation
bin110111111110111001…
…0100111101001001101
3102111022110221111201200
41233331302213221031
53432203314202341
6131121303100113
711454133220340
oct1577562475115
9374273844650
10120222022221
1146a93219764
121b372141639
13b44c1b2372
145b66a1c457
1531d970edb6
hex1bfdca7a4d

120222022221 has 12 divisors (see below), whose sum is σ = 198461751072. Its totient is φ = 68698298376.

The previous prime is 120222022201. The next prime is 120222022231. The reversal of 120222022221 is 122220222021.

120222022221 is a `hidden beast` number, since 1 + 202 + 220 + 22 + 221 = 666.

It is not a de Polignac number, because 120222022221 - 217 = 120221891149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120222022194 and 120222022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222022201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954142971 + ... + 954143096.

It is an arithmetic number, because the mean of its divisors is an integer number (16538479256).

Almost surely, 2120222022221 is an apocalyptic number.

It is an amenable number.

120222022221 is a deficient number, since it is larger than the sum of its proper divisors (78239728851).

120222022221 is a wasteful number, since it uses less digits than its factorization.

120222022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908286080 (or 1908286077 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120222022221 its reverse (122220222021), we get a palindrome (242442244242).

The spelling of 120222022221 in words is "one hundred twenty billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 3 7 9 21 63 1908286067 5724858201 13358002469 17174574603 40074007407 120222022221