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120223111331021 is a prime number
BaseRepresentation
bin11011010101011110011111…
…110110000011110011001101
3120202200012212100002222110212
4123111132133312003303031
5111224213413000043041
61103405422423012205
734215555526205036
oct3325363766036315
9522605770088425
10120223111331021
1135341376155486
121159806489a065
135210cb58b813a
142198b8873da8d
15dd742ba7b8eb
hex6d579fd83ccd

120223111331021 has 2 divisors, whose sum is σ = 120223111331022. Its totient is φ = 120223111331020.

The previous prime is 120223111330999. The next prime is 120223111331027. The reversal of 120223111331021 is 120133111322021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61879698313225 + 58343413017796 = 7866365^2 + 7638286^2 .

It is a cyclic number.

It is not a de Polignac number, because 120223111331021 - 26 = 120223111330957 is a prime.

It is a super-2 number, since 2×1202231113310212 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120223111331027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111555665510 + 60111555665511.

It is an arithmetic number, because the mean of its divisors is an integer number (60111555665511).

Almost surely, 2120223111331021 is an apocalyptic number.

It is an amenable number.

120223111331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120223111331021 is an equidigital number, since it uses as much as digits as its factorization.

120223111331021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 120223111331021 its reverse (120133111322021), we get a palindrome (240356222653042).

The spelling of 120223111331021 in words is "one hundred twenty trillion, two hundred twenty-three billion, one hundred eleven million, three hundred thirty-one thousand, twenty-one".