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202112201120122 = 2178217240531673
BaseRepresentation
bin101101111101000111101001…
…111100111101100101111010
3222111121201220210200101002001
4231331013221330331211322
5202442401241441320442
61553505021405531214
760400060520516056
oct5575075174754572
9874551823611061
10202112201120122
1159443337529387
121a802847273b0a
1388a1139054597
1437ca3d5b46c66
1518576075032b7
hexb7d1e9f3d97a

202112201120122 has 16 divisors (see below), whose sum is σ = 321392719945512. Its totient is φ = 94995775536640.

The previous prime is 202112201120107. The next prime is 202112201120171. The reversal of 202112201120122 is 221021102211202.

202112201120122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 128538883575001 + 73573317545121 = 11337499^2 + 8577489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202112201120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620237923 + ... + 3620293750.

Almost surely, 2202112201120122 is an apocalyptic number.

202112201120122 is a deficient number, since it is larger than the sum of its proper divisors (119280518825390).

202112201120122 is a wasteful number, since it uses less digits than its factorization.

202112201120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240532513.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202112201120122 its reverse (221021102211202), we get a palindrome (423133303331324).

The spelling of 202112201120122 in words is "two hundred two trillion, one hundred twelve billion, two hundred one million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 17 34 821 1642 13957 27914 7240531673 14481063346 123089038441 246178076882 5944476503533 11888953007066 101056100560061 202112201120122