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2112121022210 = 252712556130491
BaseRepresentation
bin11110101111000100001…
…110010010011100000010
321110220202100022220211022
4132233010032102130002
5234101110440202320
64254143415345442
7305411220316523
oct36570416223402
97426670286738
102112121022210
11744822288311
122a1415082282
131242312cc8b4
147432763284a
1539e1b3e1325
hex1ebc4392702

2112121022210 has 32 divisors (see below), whose sum is σ = 3816121123584. Its totient is φ = 841670352000.

The previous prime is 2112121022201. The next prime is 2112121022287. The reversal of 2112121022210 is 122201212112.

It is a super-2 number, since 2×21121210222102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69255065 + ... + 69285555.

It is an arithmetic number, because the mean of its divisors is an integer number (119253785112).

Almost surely, 22112121022210 is an apocalyptic number.

2112121022210 is a deficient number, since it is larger than the sum of its proper divisors (1704000101374).

2112121022210 is a wasteful number, since it uses less digits than its factorization.

2112121022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56330.

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

Adding to 2112121022210 its reverse (122201212112), we get a palindrome (2234322234322).

The spelling of 2112121022210 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 271 542 1355 2710 25561 30491 51122 60982 127805 152455 255610 304910 6927031 8263061 13854062 16526122 34635155 41315305 69270310 82630610 779380451 1558760902 3896902255 7793804510 211212102221 422424204442 1056060511105 2112121022210