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20101201002122 = 21375711153111431
BaseRepresentation
bin1001001001000001011001…
…11100011111111010001010
32122011122201021000002002112
410210200230330133322022
510113314224424031442
6110430210402502322
74143156333241202
oct444405474377212
978148637002075
1020101201002122
11644a964a23879
1223078b76649a2
13b2a6c5878b06
144d6c909cd402
1524cd29758082
hex12482cf1fe8a

20101201002122 has 32 divisors (see below), whose sum is σ = 30451739370624. Its totient is φ = 9951037747200.

The previous prime is 20101201002067. The next prime is 20101201002143. The reversal of 20101201002122 is 22120010210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101201002097 and 20101201002106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180335747 + ... + 180447177.

It is an arithmetic number, because the mean of its divisors is an integer number (951616855332).

Almost surely, 220101201002122 is an apocalyptic number.

20101201002122 is a deficient number, since it is larger than the sum of its proper divisors (10350538368502).

20101201002122 is a wasteful number, since it uses less digits than its factorization.

20101201002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113294.

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

Adding to 20101201002122 its reverse (22120010210102), we get a palindrome (42221211212224).

The spelling of 20101201002122 in words is "twenty trillion, one hundred one billion, two hundred one million, two thousand, one hundred twenty-two".

Divisors: 1 2 137 274 571 1142 1153 2306 78227 111431 156454 157961 222862 315922 658363 1316726 15266047 30532094 63627101 90195731 127254202 128479943 180391462 256959886 8716912837 17433825674 17601752191 35203504382 73362047453 146724094906 10050600501061 20101201002122