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101220230122 = 211127358310111
BaseRepresentation
bin101111001000100110…
…0100010001111101010
3100200021012201110021221
41132101030202033222
53124244334330442
6114255552452254
710212221521504
oct1362114421752
9320235643257
10101220230122
1139a221aa050
121774a54a08a
139711567cbb
144c83138d74
15297641e467
hex17913223ea

101220230122 has 32 divisors (see below), whose sum is σ = 167000408064. Its totient is φ = 45629665200.

The previous prime is 101220230117. The next prime is 101220230123. The reversal of 101220230122 is 221032022101.

It is a happy number.

It is a super-2 number, since 2×1012202301222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101220230096 and 101220230105.

It is not an unprimeable number, because it can be changed into a prime (101220230123) 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, 10005847 + ... + 10015957.

It is an arithmetic number, because the mean of its divisors is an integer number (5218762752).

Almost surely, 2101220230122 is an apocalyptic number.

101220230122 is a deficient number, since it is larger than the sum of its proper divisors (65780177942).

101220230122 is a wasteful number, since it uses less digits than its factorization.

101220230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13834.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 101220230122 its reverse (221032022101), we get a palindrome (322252252223).

The spelling of 101220230122 in words is "one hundred one billion, two hundred twenty million, two hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 11 22 127 254 1397 2794 3583 7166 10111 20222 39413 78826 111221 222442 455041 910082 1284097 2568194 5005451 10010902 14125067 28250134 36227713 72455426 398504843 797009686 4600919551 9201839102 50610115061 101220230122