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2120221112210 = 251709912399679
BaseRepresentation
bin11110110110100111000…
…001101011011110010010
321111200122212002010101122
4132312213001223132102
5234214203101042320
64302003252402242
7306116025045335
oct36664701533622
97450585063348
102120221112210
117481a95a8873
122a2ab5916382
13124c224b8466
147489531261c
153a2425acd25
hex1eda706b792

2120221112210 has 16 divisors (see below), whose sum is σ = 3816621504000. Its totient is φ = 848038777776.

The previous prime is 2120221112189. The next prime is 2120221112213. The reversal of 2120221112210 is 122111220212.

It is a super-3 number, since 3×21202211122103 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2120221112213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6028850 + ... + 6370829.

It is an arithmetic number, because the mean of its divisors is an integer number (238538844000).

Almost surely, 22120221112210 is an apocalyptic number.

2120221112210 is a deficient number, since it is larger than the sum of its proper divisors (1696400391790).

2120221112210 is a wasteful number, since it uses less digits than its factorization.

2120221112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12416785.

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

Adding to 2120221112210 its reverse (122111220212), we get a palindrome (2242332332422).

The spelling of 2120221112210 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 17099 34198 85495 170990 12399679 24799358 61998395 123996790 212022111221 424044222442 1060110556105 2120221112210