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111122120122031 is a prime number
BaseRepresentation
bin11001010001000010100010…
…011111110001111010101111
3112120110011121121112011202202
4121101002202133301322233
5104031111100222401111
61032200444112212115
732256210504263024
oct3121024237617257
9476404547464682
10111122120122031
1132452698952277
121056826523a03b
134a00a03a69025
141d624a70d754b
15cca81c11db3b
hex6510a27f1eaf

111122120122031 has 2 divisors, whose sum is σ = 111122120122032. Its totient is φ = 111122120122030.

The previous prime is 111122120121949. The next prime is 111122120122093. The reversal of 111122120122031 is 130221021221111.

It is a strong prime.

It is an emirp because it is prime and its reverse (130221021221111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111122120122031 - 222 = 111122115927727 is a prime.

It is a super-2 number, since 2×1111221201220312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111122120121994 and 111122120122012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111122120152031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561060061015 + 55561060061016.

It is an arithmetic number, because the mean of its divisors is an integer number (55561060061016).

Almost surely, 2111122120122031 is an apocalyptic number.

111122120122031 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122120122031 is an equidigital number, since it uses as much as digits as its factorization.

111122120122031 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 20.

Adding to 111122120122031 its reverse (130221021221111), we get a palindrome (241343141343142).

The spelling of 111122120122031 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, thirty-one".