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120220121022131 = 13163433713081477
BaseRepresentation
bin11011010101011011101101…
…100110111011111010110011
3120202122221010221022112211202
4123111123231212323322303
5111224141301440202011
61103404210002201415
734215421446044234
oct3325335546737263
9522587127275752
10120220121022131
1135340081204119
121159756b35326b
13521092a2179b0
14219898353b08b
15dd730429e23b
hex6d56ed9bbeb3

120220121022131 has 16 divisors (see below), whose sum is σ = 130292148790944. Its totient is φ = 110266168195584.

The previous prime is 120220121022019. The next prime is 120220121022149. The reversal of 120220121022131 is 131220121022021.

It is a cyclic number.

It is not a de Polignac number, because 120220121022131 - 230 = 120219047280307 is a prime.

It is a super-2 number, since 2×1202201210221312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120220121027131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2649365 + ... + 15730841.

It is an arithmetic number, because the mean of its divisors is an integer number (8143259299434).

Almost surely, 2120220121022131 is an apocalyptic number.

120220121022131 is a deficient number, since it is larger than the sum of its proper divisors (10072027768813).

120220121022131 is a wasteful number, since it uses less digits than its factorization.

120220121022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13085990.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 120220121022131 its reverse (131220121022021), we get a palindrome (251440242044152).

The spelling of 120220121022131 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 13 163 2119 4337 56381 706931 9190103 13081477 170059201 2132280751 27719649763 56734365749 737546754737 9247701617087 120220121022131