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2112121201010 = 256722511400453
BaseRepresentation
bin11110101111000100001…
…110111110000101110010
321110220202100200000002112
4132233010032332011302
5234101111011413020
64254143423245322
7305411221663022
oct36570416760562
97426670600075
102112121201010
1174482239a687
122a1415149842
131242313630b2
147432767ba82
1539e1b4292c5
hex1ebc43be172

2112121201010 has 32 divisors (see below), whose sum is σ = 3860278627392. Its totient is φ = 831868488000.

The previous prime is 2112121200991. The next prime is 2112121201031. The reversal of 2112121201010 is 101021212112.

It is a super-2 number, since 2×21121212010102 (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807944 + ... + 2208396.

It is an arithmetic number, because the mean of its divisors is an integer number (120633707106).

Almost surely, 22112121201010 is an apocalyptic number.

2112121201010 is a deficient number, since it is larger than the sum of its proper divisors (1748157426382).

2112121201010 is a wasteful number, since it uses less digits than its factorization.

2112121201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402778.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2112121201010 its reverse (101021212112), we get a palindrome (2213142413122).

The spelling of 2112121201010 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, ten".

Divisors: 1 2 5 10 67 134 335 670 2251 4502 11255 22510 150817 301634 754085 1400453 1508170 2800906 7002265 14004530 93830351 187660702 469151755 938303510 3152419703 6304839406 15762098515 31524197030 211212120101 422424240202 1056060600505 2112121201010