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121103002077461 is a prime number
BaseRepresentation
bin11011100010010001111101…
…011010111000100100010101
3120212210100000102210010202022
4123202101331122320210111
5111333122422012434321
61105321541235222525
734336255200146135
oct3342217532704425
9525710012703668
10121103002077461
1135650549584458
12116ba6a6447a45
135275c6c165c31
1421c95b9120ac5
15e0027895adab
hex6e247d6b8915

121103002077461 has 2 divisors, whose sum is σ = 121103002077462. Its totient is φ = 121103002077460.

The previous prime is 121103002077439. The next prime is 121103002077493. The reversal of 121103002077461 is 164770200301121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115258067260561 + 5844934816900 = 10735831^2 + 2417630^2 .

It is an emirp because it is prime and its reverse (164770200301121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121103002077461 is a prime.

It is a super-2 number, since 2×1211030020774612 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121103002079461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551501038730 + 60551501038731.

It is an arithmetic number, because the mean of its divisors is an integer number (60551501038731).

Almost surely, 2121103002077461 is an apocalyptic number.

It is an amenable number.

121103002077461 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103002077461 is an equidigital number, since it uses as much as digits as its factorization.

121103002077461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 121103002077461 its reverse (164770200301121), we get a palindrome (285873202378582).

The spelling of 121103002077461 in words is "one hundred twenty-one trillion, one hundred three billion, two million, seventy-seven thousand, four hundred sixty-one".