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122220222111001 = 7611905791501897
BaseRepresentation
bin11011110010100010011100…
…111011000101110100011001
3121000202010202102101020200001
4123302202130323011310121
5112004424003330023001
61111535110034013001
734513056016561120
oct3362423473056431
9530663672336601
10122220222111001
1135a4133a11a523
121185b121117161
1353274186b4361
1422276c15c2ab7
15e1e366099001
hex6f289cec5d19

122220222111001 has 16 divisors (see below), whose sum is σ = 141970933536640. Its totient is φ = 103042200919680.

The previous prime is 122220222110887. The next prime is 122220222111083. The reversal of 122220222111001 is 100111222022221.

It is a cyclic number.

It is not a de Polignac number, because 122220222111001 - 223 = 122220213722393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122220222111001.

It is not an unprimeable number, because it can be changed into a prime (122220222111601) 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, 80626285 + ... + 82128181.

It is an arithmetic number, because the mean of its divisors is an integer number (8873183346040).

Almost surely, 2122220222111001 is an apocalyptic number.

It is an amenable number.

122220222111001 is a deficient number, since it is larger than the sum of its proper divisors (19750711425639).

122220222111001 is a wasteful number, since it uses less digits than its factorization.

122220222111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692544.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122220222111001 its reverse (100111222022221), we get a palindrome (222331444133222).

The spelling of 122220222111001 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred eleven thousand, one".

Divisors: 1 7 61 427 190579 1334053 1501897 10513279 11625319 81377233 91615717 641310019 286230028363 2003610198541 17460031730143 122220222111001