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122110020211 = 198972211721
BaseRepresentation
bin111000110111001010…
…0110000101001110011
3102200012001112202002011
41301232110300221303
54000040131121321
6132032505303351
711552000021554
oct1615624605163
9380161482064
10122110020211
1147871a17583
121b7ba494b57
13b6903a303a
145ca568032b
15329a34bae1
hex1c6e530a73

122110020211 has 8 divisors (see below), whose sum is σ = 129981099600. Its totient is φ = 114383364480.

The previous prime is 122110020203. The next prime is 122110020251. The reversal of 122110020211 is 112020011221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122110020211 - 23 = 122110020203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122110020191 and 122110020200.

It is not an unprimeable number, because it can be changed into a prime (122110020251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36104170 + ... + 36107551.

It is an arithmetic number, because the mean of its divisors is an integer number (16247637450).

Almost surely, 2122110020211 is an apocalyptic number.

122110020211 is a deficient number, since it is larger than the sum of its proper divisors (7871079389).

122110020211 is an equidigital number, since it uses as much as digits as its factorization.

122110020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72211829.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122110020211 its reverse (112020011221), we get a palindrome (234130031432).

The spelling of 122110020211 in words is "one hundred twenty-two billion, one hundred ten million, twenty thousand, two hundred eleven".

Divisors: 1 19 89 1691 72211721 1372022699 6426843169 122110020211