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1210111442131 is a prime number
BaseRepresentation
bin10001100111000000010…
…000110011110011010011
311021200111202011120222011
4101213000100303303103
5124311302012122011
62323530103523351
7153266455354114
oct21470020636323
94250452146864
101210111442131
114272293a8239
1217663ba59557
138a1613c3a67
14427d93ba20b
152172775d621
hex119c0433cd3

1210111442131 has 2 divisors, whose sum is σ = 1210111442132. Its totient is φ = 1210111442130.

The previous prime is 1210111442041. The next prime is 1210111442207. The reversal of 1210111442131 is 1312441110121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210111442131 - 225 = 1210077887699 is a prime.

It is a super-2 number, since 2×12101114421312 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210111443131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605055721065 + 605055721066.

It is an arithmetic number, because the mean of its divisors is an integer number (605055721066).

Almost surely, 21210111442131 is an apocalyptic number.

1210111442131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210111442131 is an equidigital number, since it uses as much as digits as its factorization.

1210111442131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 1210111442131 its reverse (1312441110121), we get a palindrome (2522552552252).

The spelling of 1210111442131 in words is "one trillion, two hundred ten billion, one hundred eleven million, four hundred forty-two thousand, one hundred thirty-one".