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2001102121103 = 3977876404777
BaseRepresentation
bin11101000111101010111…
…110110010100010001111
321002022012020200101220012
4131013222332302202033
5230241224120333403
64131143231143435
7264401114244101
oct35075276624217
97068166611805
102001102121103
11701731a84778
122839b1074b7b
1311691a9a8637
146cbd4dc1571
15370beb31ed8
hex1d1eafb288f

2001102121103 has 8 divisors (see below), whose sum is σ = 2008692095472. Its totient is φ = 1993524958656.

The previous prime is 2001102121061. The next prime is 2001102121159. The reversal of 2001102121103 is 3011212011002.

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 2001102121103 - 222 = 2001097926799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001102123103) 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, 2889950 + ... + 3514827.

It is an arithmetic number, because the mean of its divisors is an integer number (251086511934).

Almost surely, 22001102121103 is an apocalyptic number.

2001102121103 is a deficient number, since it is larger than the sum of its proper divisors (7589974369).

2001102121103 is an equidigital number, since it uses as much as digits as its factorization.

2001102121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405961.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2001102121103 its reverse (3011212011002), we get a palindrome (5012314132105).

The spelling of 2001102121103 in words is "two trillion, one billion, one hundred two million, one hundred twenty-one thousand, one hundred three".

Divisors: 1 397 787 312439 6404777 2542696469 5040559499 2001102121103