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122111122201 = 47131173114641
BaseRepresentation
bin111000110111001100…
…0111101101100011001
3102200012010121201201121
41301232120331230121
54000040421402301
6132032545045241
711552012261425
oct1615630755431
9380163551647
10122111122201
11478725aa512
121b7ba926821
13b69069a7c3
145ca5889b85
15329a4b83a1
hex1c6e63db19

122111122201 has 16 divisors (see below), whose sum is σ = 126388677888. Its totient is φ = 117914118400.

The previous prime is 122111122181. The next prime is 122111122219. The reversal of 122111122201 is 102221111221.

It is a cyclic number.

It is not a de Polignac number, because 122111122201 - 213 = 122111114009 is a prime.

It is a super-2 number, since 2×1221111222012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122111132201) 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, 1007841 + ... + 1122481.

It is an arithmetic number, because the mean of its divisors is an integer number (7899292368).

Almost surely, 2122111122201 is an apocalyptic number.

It is an amenable number.

122111122201 is a deficient number, since it is larger than the sum of its proper divisors (4277555687).

122111122201 is a wasteful number, since it uses less digits than its factorization.

122111122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114992.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122111122201 its reverse (102221111221), we get a palindrome (224332233422).

The spelling of 122111122201 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 47 131 173 6157 8131 22663 114641 1065161 5388127 15017971 19832893 705844637 932145971 2598108983 122111122201