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10201221221210 = 252551715155921
BaseRepresentation
bin1001010001110010100000…
…1010101100101101011010
31100010020010122110101212222
42110130220022230231122
52314114100113034320
633410213142104042
72102004525453065
oct224345012545532
940106118411788
1010201221221210
11328334a485848
12118909441b022
1358cc8148c0a6
14273a554a58dc
1512a5556e5825
hex947282acb5a

10201221221210 has 32 divisors (see below), whose sum is σ = 18372293558784. Its totient is φ = 4078245600000.

The previous prime is 10201221221201. The next prime is 10201221221237. The reversal of 10201221221210 is 1212212210201.

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, 182394050 + ... + 182449970.

It is an arithmetic number, because the mean of its divisors is an integer number (574134173712).

Almost surely, 210201221221210 is an apocalyptic number.

10201221221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10201221221210 is a deficient number, since it is larger than the sum of its proper divisors (8171072337574).

10201221221210 is a wasteful number, since it uses less digits than its factorization.

10201221221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65630.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10201221221210 its reverse (1212212210201), we get a palindrome (11413433431411).

The spelling of 10201221221210 in words is "ten trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 2551 5102 7151 12755 14302 25510 35755 55921 71510 111842 279605 559210 18242201 36484402 91211005 142654471 182422010 285308942 399891071 713272355 799782142 1426544710 1999455355 3998910710 1020122122121 2040244244242 5100610610605 10201221221210