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1101215131121 = 7258476086449
BaseRepresentation
bin10000000001100101100…
…010010110010111110001
310220021102120112211021002
4100001211202112113301
5121020242033143441
62201520302011345
7142363065112610
oct20014542262761
93807376484232
101101215131121
11395028261a96
1215950a876b55
137cac8769981
143b428a15877
151d9a24c9b9b
hex100658965f1

1101215131121 has 8 divisors (see below), whose sum is σ = 1258580476800. Its totient is φ = 943862010048.

The previous prime is 1101215131061. The next prime is 1101215131129. The reversal of 1101215131121 is 1211315121011.

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 1101215131121 - 26 = 1101215131057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1101215131093 and 1101215131102.

It is not an unprimeable number, because it can be changed into a prime (1101215131129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2862296 + ... + 3224153.

It is an arithmetic number, because the mean of its divisors is an integer number (157322559600).

Almost surely, 21101215131121 is an apocalyptic number.

It is an amenable number.

1101215131121 is a deficient number, since it is larger than the sum of its proper divisors (157365345679).

1101215131121 is an equidigital number, since it uses as much as digits as its factorization.

1101215131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112303.

The product of its (nonzero) digits is 60, while the sum is 20.

The spelling of 1101215131121 in words is "one trillion, one hundred one billion, two hundred fifteen million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 7 25847 180929 6086449 42605143 157316447303 1101215131121