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120220112231 is a prime number
BaseRepresentation
bin110111111110110101…
…1010101010101100111
3102111022100100110201022
41233331223111111213
53432202322042411
6131121154121355
711454111044012
oct1577553252547
9374270313638
10120220112231
1146a9213475a
121b37158025b
13b44b993bab
145b66682379
1531d9483edb
hex1bfdad5567

120220112231 has 2 divisors, whose sum is σ = 120220112232. Its totient is φ = 120220112230.

The previous prime is 120220112197. The next prime is 120220112237. The reversal of 120220112231 is 132211022021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120220112231 - 26 = 120220112167 is a prime.

It is a super-2 number, since 2×1202201122312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120220112237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110056115 + 60110056116.

It is an arithmetic number, because the mean of its divisors is an integer number (60110056116).

Almost surely, 2120220112231 is an apocalyptic number.

120220112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120220112231 is an equidigital number, since it uses as much as digits as its factorization.

120220112231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120220112231 its reverse (132211022021), we get a palindrome (252431134252).

The spelling of 120220112231 in words is "one hundred twenty billion, two hundred twenty million, one hundred twelve thousand, two hundred thirty-one".