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121011122131001 = 315826016700271
BaseRepresentation
bin11011100000111100011000…
…111100101101000000111001
3120212110112212011110020220022
4123200330120330231000321
5111330121234231143001
61105211424141140225
734326523262404124
oct3340743074550071
9525415764406808
10121011122131001
113561558a764803
12116a4923b5a675
13526a3b8a119cb
1421c4d806993bb
15decb9c53311b
hex6e0f18f2d039

121011122131001 has 8 divisors (see below), whose sum is σ = 124914939767808. Its totient is φ = 117107319060000.

The previous prime is 121011122130947. The next prime is 121011122131019. The reversal of 121011122131001 is 100131221110121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121011122131001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011122131301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14710496 + ... + 21410766.

It is an arithmetic number, because the mean of its divisors is an integer number (15614367470976).

Almost surely, 2121011122131001 is an apocalyptic number.

It is an amenable number.

121011122131001 is a deficient number, since it is larger than the sum of its proper divisors (3903817636807).

121011122131001 is an equidigital number, since it uses as much as digits as its factorization.

121011122131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282903.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 121011122131001 its reverse (100131221110121), we get a palindrome (221142343241122).

The spelling of 121011122131001 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty-two million, one hundred thirty-one thousand, one".

Divisors: 1 31 582601 6700271 18060631 207708401 3903584584871 121011122131001