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122111221010011 is a prime number
BaseRepresentation
bin11011110000111100111011…
…111100111000111001011011
3121000100201101221120121010121
4123300330323330320321123
5112001132240034310021
61111413042010054111
734502146614524512
oct3360747374707133
9530321357517117
10122111221010011
11359aa094910a92
1211841b80a1a337
13531a06712a46c
142222300d41679
15e1b5d6a16741
hex6f0f3bf38e5b

122111221010011 has 2 divisors, whose sum is σ = 122111221010012. Its totient is φ = 122111221010010.

The previous prime is 122111221009991. The next prime is 122111221010039. The reversal of 122111221010011 is 110010122111221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122111221010011 is a prime.

It is a super-2 number, since 2×1221112210100112 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122111221010111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055610505005 + 61055610505006.

It is an arithmetic number, because the mean of its divisors is an integer number (61055610505006).

Almost surely, 2122111221010011 is an apocalyptic number.

122111221010011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111221010011 is an equidigital number, since it uses as much as digits as its factorization.

122111221010011 is an evil number, because the sum of its binary digits is even.

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

Adding to 122111221010011 its reverse (110010122111221), we get a palindrome (232121343121232).

The spelling of 122111221010011 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred twenty-one million, ten thousand, eleven".