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121022010122 = 21330689151673
BaseRepresentation
bin111000010110101111…
…0010101001100001010
3102120101020021002211012
41300231132111030022
53440323113310442
6131332521403522
711513016053516
oct1605536251412
9376336232735
10121022010122
1147363851492
121b5560395a2
13b548b5c8a0
145c00d83146
153234a83582
hex1c2d79530a

121022010122 has 16 divisors (see below), whose sum is σ = 195504752520. Its totient is φ = 55854124032.

The previous prime is 121022010103. The next prime is 121022010157. The reversal of 121022010122 is 221010220121.

It can be written as a sum of positive squares in 4 ways, for example, as 118665781441 + 2356228681 = 344479^2 + 48541^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121022010097 and 121022010106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722078 + ... + 873750.

Almost surely, 2121022010122 is an apocalyptic number.

121022010122 is a deficient number, since it is larger than the sum of its proper divisors (74482742398).

121022010122 is a wasteful number, since it uses less digits than its factorization.

121022010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182377.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121022010122 its reverse (221010220121), we get a palindrome (342032230243).

The spelling of 121022010122 in words is "one hundred twenty-one billion, twenty-two million, ten thousand, one hundred twenty-two".

Divisors: 1 2 13 26 30689 61378 151673 303346 398957 797914 1971749 3943498 4654692697 9309385394 60511005061 121022010122