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121333320001 = 719168752879
BaseRepresentation
bin111000100000000000…
…1111000100101000001
3102121011221001021200201
41301000001320211001
53441442312220001
6131423442045201
711523516126505
oct1610001704501
9377157037621
10121333320001
1147503550183
121b622349801
13b5984ba50a
145c3045c305
153252078501
hex1c40078941

121333320001 has 4 divisors (see below), whose sum is σ = 121502073600. Its totient is φ = 121164566404.

The previous prime is 121333319981. The next prime is 121333320011. The reversal of 121333320001 is 100023333121.

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.

It is a cyclic number.

It is not a de Polignac number, because 121333320001 - 211 = 121333317953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333320011) 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, 84375721 + ... + 84377158.

It is an arithmetic number, because the mean of its divisors is an integer number (30375518400).

Almost surely, 2121333320001 is an apocalyptic number.

It is an amenable number.

121333320001 is a deficient number, since it is larger than the sum of its proper divisors (168753599).

121333320001 is an equidigital number, since it uses as much as digits as its factorization.

121333320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168753598.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121333320001 its reverse (100023333121), we get a palindrome (221356653122).

The spelling of 121333320001 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred twenty thousand, one".

Divisors: 1 719 168752879 121333320001