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121103031030301 = 243693749694773
BaseRepresentation
bin11011100010010001111111…
…001001010101001000011101
3120212210100002110021002120201
4123202101333021111020131
5111333123001420432201
61105321544151543501
734336256001223555
oct3342217711251035
9525710073232521
10121103031030301
113565056395a121
12116ba6b408ab91
135275c751623a8
1421c95bccda165
15e0027b279801
hex6e247f25521d

121103031030301 has 4 divisors (see below), whose sum is σ = 121103083162012. Its totient is φ = 121102978898592.

The previous prime is 121103031030299. The next prime is 121103031030353. The reversal of 121103031030301 is 103030130301121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25592479327801 + 95510551702500 = 5058901^2 + 9772950^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103031030301 - 21 = 121103031030299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103031030361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22410450 + ... + 27284323.

It is an arithmetic number, because the mean of its divisors is an integer number (30275770790503).

Almost surely, 2121103031030301 is an apocalyptic number.

It is an amenable number.

121103031030301 is a deficient number, since it is larger than the sum of its proper divisors (52131711).

121103031030301 is an equidigital number, since it uses as much as digits as its factorization.

121103031030301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52131710.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121103031030301 its reverse (103030130301121), we get a palindrome (224133161331422).

The spelling of 121103031030301 in words is "one hundred twenty-one trillion, one hundred three billion, thirty-one million, thirty thousand, three hundred one".

Divisors: 1 2436937 49694773 121103031030301