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121010110122223 = 7217729139296863
BaseRepresentation
bin11011100000111011011100…
…101000001100100011101111
3120212110110020122011212211201
4123200323130220030203233
5111330112201142402343
61105211135510230331
734326456223436200
oct3340733450144357
9525413218155751
10121010110122223
1135615110489613
12116a46a10553a7
13526a28715b84a
1421c4cc61035a7
15decb3d77d94d
hex6e0edca0c8ef

121010110122223 has 12 divisors (see below), whose sum is σ = 140774803727040. Its totient is φ = 103717100320512.

The previous prime is 121010110122163. The next prime is 121010110122241. The reversal of 121010110122223 is 322221011010121.

It is a de Polignac number, because none of the positive numbers 2k-121010110122223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121010110122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010110122823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68779711 + ... + 70517152.

It is an arithmetic number, because the mean of its divisors is an integer number (11731233643920).

Almost surely, 2121010110122223 is an apocalyptic number.

121010110122223 is a deficient number, since it is larger than the sum of its proper divisors (19764693604817).

121010110122223 is a wasteful number, since it uses less digits than its factorization.

121010110122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139314606 (or 139314599 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121010110122223 its reverse (322221011010121), we get a palindrome (443231121132344).

The spelling of 121010110122223 in words is "one hundred twenty-one trillion, ten billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 7 49 17729 124103 868721 139296863 975078041 6825546287 2469594084127 17287158588889 121010110122223