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101223121103 = 1318143018751
BaseRepresentation
bin101111001000101011…
…1100100000011001111
3100200021102011022222022
41132101113210003033
53124301104333403
6114300134440355
710212255222146
oct1362127440317
9320242138868
10101223121103
1139a238a4095
121774b5030bb
13971203ab40
144c8368c75d
1529767e0d38
hex17915e40cf

101223121103 has 8 divisors (see below), whose sum is σ = 109611780096. Its totient is φ = 92920500000.

The previous prime is 101223121099. The next prime is 101223121211. The reversal of 101223121103 is 301121322101.

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 101223121103 - 22 = 101223121099 is a prime.

It is a super-2 number, since 2×1012231211032 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223121303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21507023 + ... + 21511728.

It is an arithmetic number, because the mean of its divisors is an integer number (13701472512).

Almost surely, 2101223121103 is an apocalyptic number.

101223121103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101223121103 is a deficient number, since it is larger than the sum of its proper divisors (8388658993).

101223121103 is a wasteful number, since it uses less digits than its factorization.

101223121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43018945.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101223121103 its reverse (301121322101), we get a palindrome (402344443204).

The spelling of 101223121103 in words is "one hundred one billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred three".

Divisors: 1 13 181 2353 43018751 559243763 7786393931 101223121103