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122020222111 = 10110911083679
BaseRepresentation
bin111000110100011111…
…0001101010010011111
3102122221210120112020121
41301220332031102133
53444344134101421
6132015540455411
711546526526534
oct1615076152237
9378853515217
10122020222111
1147826263977
121b7943aa567
13b6778c1c78
145c97786d8b
15329250ed41
hex1c68f8d49f

122020222111 has 8 divisors (see below), whose sum is σ = 124358889600. Its totient is φ = 119703722400.

The previous prime is 122020222097. The next prime is 122020222123. The reversal of 122020222111 is 111222020221.

It is a happy number.

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 122020222111 - 213 = 122020213919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5530831 + ... + 5552848.

It is an arithmetic number, because the mean of its divisors is an integer number (15544861200).

Almost surely, 2122020222111 is an apocalyptic number.

122020222111 is a deficient number, since it is larger than the sum of its proper divisors (2338667489).

122020222111 is a wasteful number, since it uses less digits than its factorization.

122020222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083889.

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

Adding to 122020222111 its reverse (111222020221), we get a palindrome (233242242332).

The spelling of 122020222111 in words is "one hundred twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 101 109 11009 11083679 1119451579 1208121011 122020222111