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121130200133 = 142771848423
BaseRepresentation
bin111000011001111101…
…1000010110001000101
3102120122202211201121122
41300303323002301011
53441033312401013
6131351344323325
711515501466345
oct1606373026105
9376582751548
10121130200133
1147409927218
121b586313545
13b5653b0147
145c114a6d25
15323e304a08
hex1c33ec2c45

121130200133 has 4 divisors (see below), whose sum is σ = 121131191328. Its totient is φ = 121129208940.

The previous prime is 121130200117. The next prime is 121130200153. The reversal of 121130200133 is 331002031121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 331002031121 = 1719470707713.

It is a cyclic number.

It is not a de Polignac number, because 121130200133 - 24 = 121130200117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130200153) 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, 281441 + ... + 566982.

It is an arithmetic number, because the mean of its divisors is an integer number (30282797832).

Almost surely, 2121130200133 is an apocalyptic number.

It is an amenable number.

121130200133 is a deficient number, since it is larger than the sum of its proper divisors (991195).

121130200133 is an equidigital number, since it uses as much as digits as its factorization.

121130200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991194.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121130200133 its reverse (331002031121), we get a palindrome (452132231254).

The spelling of 121130200133 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred thousand, one hundred thirty-three".

Divisors: 1 142771 848423 121130200133