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101220102102122 = 21712792327648027
BaseRepresentation
bin10111000000111100100100…
…001110101101110001101010
3111021101112202221200020021222
4113000330210032231301222
5101231342232114231442
6555135512321102042
730214624326661103
oct2700744416556152
9437345687606258
10101220102102122
112a28522791a103
12b429173487922
134463026306b23
141add116ddd3aa
15ba7e791938d2
hex5c0f243adc6a

101220102102122 has 16 divisors (see below), whose sum is σ = 160887031695360. Its totient is φ = 47595746835648.

The previous prime is 101220102102113. The next prime is 101220102102127. The reversal of 101220102102122 is 221201201022101.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 101220102102122.

It is not an unprimeable number, because it can be changed into a prime (101220102102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163780528 + ... + 1163867499.

It is an arithmetic number, because the mean of its divisors is an integer number (10055439480960).

Almost surely, 2101220102102122 is an apocalyptic number.

101220102102122 is a deficient number, since it is larger than the sum of its proper divisors (59666929593238).

101220102102122 is a wasteful number, since it uses less digits than its factorization.

101220102102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327649325.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101220102102122 its reverse (221201201022101), we get a palindrome (322421303124223).

The spelling of 101220102102122 in words is "one hundred one trillion, two hundred twenty billion, one hundred two million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 17 34 1279 2558 21743 43486 2327648027 4655296054 39570016459 79140032918 2977061826533 5954123653066 50610051051061 101220102102122