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121331103000211 = 139333161769247
BaseRepresentation
bin11011100101100110011001…
…010010110110011010010011
3120220121010210011220121101101
4123211212121102312122103
5111400342044332001321
61110014423401445231
734361611561044466
oct3345463122663223
9526533704817341
10121331103000211
1135729260603855
1211736944aa0817
13529162127a640
1421d66573432dd
15e06178e2e791
hex6e59994b6693

121331103000211 has 4 divisors (see below), whose sum is σ = 130664264769472. Its totient is φ = 111997941230952.

The previous prime is 121331103000127. The next prime is 121331103000253. The reversal of 121331103000211 is 112000301133121.

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

It is a cyclic number.

It is not a de Polignac number, because 121331103000211 - 239 = 120781347186323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121331103000311) 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, 4666580884611 + ... + 4666580884636.

It is an arithmetic number, because the mean of its divisors is an integer number (32666066192368).

Almost surely, 2121331103000211 is an apocalyptic number.

121331103000211 is a deficient number, since it is larger than the sum of its proper divisors (9333161769261).

121331103000211 is an equidigital number, since it uses as much as digits as its factorization.

121331103000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333161769260.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121331103000211 its reverse (112000301133121), we get a palindrome (233331404133332).

The spelling of 121331103000211 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, one hundred three million, two hundred eleven", and thus it is an aban number.

Divisors: 1 13 9333161769247 121331103000211