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1011121103 is a prime number
BaseRepresentation
bin111100010001000…
…111101111001111
32121110121021101202
4330101013233033
54032321333403
6244155500115
734025246636
oct7421075717
92543537352
101011121103
1147982a283
1224275763b
13131632115
149840451d
155db7b688
hex3c447bcf

1011121103 has 2 divisors, whose sum is σ = 1011121104. Its totient is φ = 1011121102.

The previous prime is 1011121093. The next prime is 1011121117. The reversal of 1011121103 is 3011211101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3011211101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011121103 - 222 = 1006926799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011121123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505560551 + 505560552.

It is an arithmetic number, because the mean of its divisors is an integer number (505560552).

Almost surely, 21011121103 is an apocalyptic number.

1011121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011121103 is an equidigital number, since it uses as much as digits as its factorization.

1011121103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1011121103 is about 31798.1304953609. The cubic root of 1011121103 is about 1003.6933765095.

Adding to 1011121103 its reverse (3011211101), we get a palindrome (4022332204).

The spelling of 1011121103 in words is "one billion, eleven million, one hundred twenty-one thousand, one hundred three".