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101222022122 = 2135373455749
BaseRepresentation
bin101111001000101001…
…1010111101111101010
3100200021100002111110022
41132101103113233222
53124300314201442
6114300055120442
710212242664134
oct1362123275752
9320240074408
10101222022122
1139a23213441
121774b073122
139711a44860
144c83484054
1529766753d2
hex17914d7bea

101222022122 has 16 divisors (see below), whose sum is σ = 166597641000. Its totient is φ = 45836386752.

The previous prime is 101222022113. The next prime is 101222022127. The reversal of 101222022122 is 221220222101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87763470001 + 13458552121 = 296249^2 + 116011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101222022122.

It is not an unprimeable number, because it can be changed into a prime (101222022127) 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, 36726497 + ... + 36729252.

Almost surely, 2101222022122 is an apocalyptic number.

101222022122 is a deficient number, since it is larger than the sum of its proper divisors (65375618878).

101222022122 is a wasteful number, since it uses less digits than its factorization.

101222022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73455817.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101222022122 its reverse (221220222101), we get a palindrome (322442244223).

The spelling of 101222022122 in words is "one hundred one billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 13 26 53 106 689 1378 73455749 146911498 954924737 1909849474 3893154697 7786309394 50611011061 101222022122