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122121002219 is a prime number
BaseRepresentation
bin111000110111011111…
…0101001110011101011
3102200012211012200120012
41301232332221303223
54000100434032334
6132033540522135
711552162251226
oct1615676516353
9380184180505
10122121002219
1147878138517
121b8020b034b
13b692749878
145ca6cdc5bd
15329b2ba9ce
hex1c6efa9ceb

122121002219 has 2 divisors, whose sum is σ = 122121002220. Its totient is φ = 122121002218.

The previous prime is 122121002191. The next prime is 122121002261. The reversal of 122121002219 is 912200121221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122121002219 - 220 = 122119953643 is a prime.

It is a super-2 number, since 2×1221210022192 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122121002194 and 122121002203.

It is not a weakly prime, because it can be changed into another prime (122121005219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060501109 + 61060501110.

It is an arithmetic number, because the mean of its divisors is an integer number (61060501110).

Almost surely, 2122121002219 is an apocalyptic number.

122121002219 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121002219 is an equidigital number, since it uses as much as digits as its factorization.

122121002219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

It can be divided in two parts, 122121002 and 219, that added together give a palindrome (122121221).

The spelling of 122121002219 in words is "one hundred twenty-two billion, one hundred twenty-one million, two thousand, two hundred nineteen".