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121102312103 is a prime number
BaseRepresentation
bin111000011001001000…
…0101010001010100111
3102120120211100212102122
41300302100222022213
53441004142441403
6131344510500155
711515012445213
oct1606220521247
9376524325378
10121102312103
11473a5109563
121b578b0465b
13b55c697556
145c0b8c7943
15323bb46838
hex1c3242a2a7

121102312103 has 2 divisors, whose sum is σ = 121102312104. Its totient is φ = 121102312102.

The previous prime is 121102312073. The next prime is 121102312127. The reversal of 121102312103 is 301213201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121102312103 - 222 = 121098117799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121102312703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551156051 + 60551156052.

It is an arithmetic number, because the mean of its divisors is an integer number (60551156052).

Almost surely, 2121102312103 is an apocalyptic number.

121102312103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102312103 is an equidigital number, since it uses as much as digits as its factorization.

121102312103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121102312103 its reverse (301213201121), we get a palindrome (422315513224).

The spelling of 121102312103 in words is "one hundred twenty-one billion, one hundred two million, three hundred twelve thousand, one hundred three".