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1121120111 is a prime number
BaseRepresentation
bin100001011010010…
…1110111101101111
32220010120210200002
41002310232331233
54244001320421
6303125254515
736532235516
oct10264567557
92803523602
101121120111
11525930151
1227356443b
1314b366ba7
14a8c7967d
1568658b0b
hex42d2ef6f

1121120111 has 2 divisors, whose sum is σ = 1121120112. Its totient is φ = 1121120110.

The previous prime is 1121120107. The next prime is 1121120129. The reversal of 1121120111 is 1110211211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121120111 - 22 = 1121120107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121120092 and 1121120101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121120141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560560055 + 560560056.

It is an arithmetic number, because the mean of its divisors is an integer number (560560056).

Almost surely, 21121120111 is an apocalyptic number.

1121120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121120111 is an equidigital number, since it uses as much as digits as its factorization.

1121120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1121120111 is about 33483.1317382350. The cubic root of 1121120111 is about 1038.8449056037.

Adding to 1121120111 its reverse (1110211211), we get a palindrome (2231331322).

The spelling of 1121120111 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".