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121122031231441 = 437521373745051
BaseRepresentation
bin11011100010100011101011…
…101001010110000111010001
3120212212011010121111022122001
4123202203223221112013101
5111333430404443401231
61105334405404114001
734340530563245152
oct3342435351260721
9525764117438561
10121122031231441
1135658623a92499
1211702317235901
1352779b2670566
1421ca4a24c7929
15e009de353b61
hex6e28eba561d1

121122031231441 has 8 divisors (see below), whose sum is σ = 123939020531744. Its totient is φ = 118305050925600.

The previous prime is 121122031231423. The next prime is 121122031231501. The reversal of 121122031231441 is 144132130221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121122031231441 - 221 = 121122029134289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122031231141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30469366 + ... + 34214416.

It is an arithmetic number, because the mean of its divisors is an integer number (15492377566468).

Almost surely, 2121122031231441 is an apocalyptic number.

It is an amenable number.

121122031231441 is a deficient number, since it is larger than the sum of its proper divisors (2816989300303).

121122031231441 is an equidigital number, since it uses as much as digits as its factorization.

121122031231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497231.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 121122031231441 its reverse (144132130221121), we get a palindrome (265254161452562).

The spelling of 121122031231441 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, thirty-one million, two hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 43 752137 3745051 32341891 161037193 2816791423987 121122031231441