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120421211 is a prime number
BaseRepresentation
bin1110010110101…
…11101101011011
322101121000211212
413023113231123
5221311434321
615541013335
72661364151
oct713275533
9271530755
10120421211
1161a7a269
12343b424b
131bc43871
1411dc93d1
15a88a55b
hex72d7b5b

120421211 has 2 divisors, whose sum is σ = 120421212. Its totient is φ = 120421210.

The previous prime is 120421181. The next prime is 120421241. The reversal of 120421211 is 112124021.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (120421181) and next prime (120421241).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120421211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120421241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60210605 + 60210606.

It is an arithmetic number, because the mean of its divisors is an integer number (60210606).

Almost surely, 2120421211 is an apocalyptic number.

120421211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120421211 is an equidigital number, since it uses as much as digits as its factorization.

120421211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 120421211 is about 10973.6598726223. The cubic root of 120421211 is about 493.8188496416.

Adding to 120421211 its reverse (112124021), we get a palindrome (232545232).

The spelling of 120421211 in words is "one hundred twenty million, four hundred twenty-one thousand, two hundred eleven".