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220220121000127 is a prime number
BaseRepresentation
bin110010000100100111111110…
…000101011010100010111111
31001212201211121212120221221111
4302010213332011122202333
5212331041301434001002
62100211421004342451
764246243615065403
oct6204477605324277
91055654555527844
10220220121000127
11641949131a5806
1220848174b44a27
1395b588c353901
143c549d4345103
151a6d66da673d7
hexc849fe15a8bf

220220121000127 has 2 divisors, whose sum is σ = 220220121000128. Its totient is φ = 220220121000126.

The previous prime is 220220120999993. The next prime is 220220121000149. The reversal of 220220121000127 is 721000121022022.

It is an a-pointer prime, because the next prime (220220121000149) can be obtained adding 220220121000127 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220220121000127 - 215 = 220220120967359 is a prime.

It is a super-2 number, since 2×2202201210001272 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220220121000098 and 220220121000107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220220121000157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110060500063 + 110110060500064.

It is an arithmetic number, because the mean of its divisors is an integer number (110110060500064).

Almost surely, 2220220121000127 is an apocalyptic number.

220220121000127 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220121000127 is an equidigital number, since it uses as much as digits as its factorization.

220220121000127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 220220121000127 its reverse (721000121022022), we get a palindrome (941220242022149).

The spelling of 220220121000127 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-seven", and thus it is an aban number.