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121103010001 = 10935315112083
BaseRepresentation
bin111000011001001001…
…1010100100011010001
3102120120212200022202201
41300302103110203101
53441004332310001
6131344533443201
711515021413001
oct1606223244321
9376525608681
10121103010001
11473a5545936
121b5791a0501
13b55c8800cc
145c0ba2a001
15323bc33501
hex1c324d48d1

121103010001 has 16 divisors (see below), whose sum is σ = 122700251520. Its totient is φ = 119515461120.

The previous prime is 121103009999. The next prime is 121103010019. The reversal of 121103010001 is 100010301121.

It is a cyclic number.

It is not a de Polignac number, because 121103010001 - 21 = 121103009999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121103010001.

It is not an unprimeable number, because it can be changed into a prime (121103010031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58137706 + ... + 58139788.

It is an arithmetic number, because the mean of its divisors is an integer number (7668765720).

Almost surely, 2121103010001 is an apocalyptic number.

It is an amenable number.

121103010001 is a deficient number, since it is larger than the sum of its proper divisors (1597241519).

121103010001 is a wasteful number, since it uses less digits than its factorization.

121103010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 121103010001 its reverse (100010301121), we get a palindrome (221113311122).

It can be divided in two parts, 12110 and 3010001, that added together give a triangular number (3022111 = T2458).

The spelling of 121103010001 in words is "one hundred twenty-one billion, one hundred three million, ten thousand, one".

Divisors: 1 109 353 1511 2083 38477 164699 227047 533383 735299 3147413 58138747 80147591 343068017 1111036789 121103010001