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120101012221201 = 11193172718112207
BaseRepresentation
bin11011010011101100110010…
…001010111010110100010001
3120202020112201001002112122021
4123103230302022322310101
5111220213333112034301
61103233350543211441
734204004020663654
oct3323546212726421
9522215631075567
10120101012221201
11352a460a410060
1211578469ba6b81
13520262786516b
142192cc46dd89b
15dd41826878a1
hex6d3b322bad11

120101012221201 has 16 divisors (see below), whose sum is σ = 137919392501760. Its totient is φ = 103433012560080.

The previous prime is 120101012221139. The next prime is 120101012221213. The reversal of 120101012221201 is 102122210101021.

It is not a de Polignac number, because 120101012221201 - 29 = 120101012220689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120101012221601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425161 + ... + 15687046.

It is an arithmetic number, because the mean of its divisors is an integer number (8619962031360).

Almost surely, 2120101012221201 is an apocalyptic number.

120101012221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120101012221201 is a deficient number, since it is larger than the sum of its proper divisors (17818380280559).

120101012221201 is a wasteful number, since it uses less digits than its factorization.

120101012221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143964.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120101012221201 its reverse (102122210101021), we get a palindrome (222223222322222).

The spelling of 120101012221201 in words is "one hundred twenty trillion, one hundred one billion, twelve million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 11 19 209 31727 348997 602813 6630943 18112207 199234277 344131933 3785451263 574645991489 6321105906379 10918273838291 120101012221201