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212020210011011 = 677313722309609
BaseRepresentation
bin110000001101010011001101…
…010011011000101110000011
31000210200221012222102002120012
4300031103031103120232003
5210242214342230323021
62030532423450135135
762441645311515113
oct6015231523305603
91023627188362505
10212020210011011
11616132a2217596
121b942b2b4214ab
13913c55ca0725c
143a4db93755043
15197a1eb3b135b
hexc0d4cd4d8b83

212020210011011 has 24 divisors (see below), whose sum is σ = 219736350830640. Its totient is φ = 204490992448512.

The previous prime is 212020210010977. The next prime is 212020210011053. The reversal of 212020210011011 is 110110012020212.

It is not a de Polignac number, because 212020210011011 - 222 = 212020205816707 is a prime.

It is a super-2 number, since 2×2120202100110112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212020210031011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90644375 + ... + 92953983.

It is an arithmetic number, because the mean of its divisors is an integer number (9155681284610).

Almost surely, 2212020210011011 is an apocalyptic number.

212020210011011 is a deficient number, since it is larger than the sum of its proper divisors (7716140819629).

212020210011011 is an equidigital number, since it uses as much as digits as its factorization.

212020210011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310023 (or 2309886 counting only the distinct ones).

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

Adding to 212020210011011 its reverse (110110012020212), we get a palindrome (322130222031223).

The spelling of 212020210011011 in words is "two hundred twelve trillion, twenty billion, two hundred ten million, eleven thousand, eleven".

Divisors: 1 67 73 137 4891 9179 10001 18769 670067 1257523 1370137 2309609 91799179 154743803 168601457 316416433 11296297619 21199901011 23098399609 43349051321 1547592773803 2904386438507 3164480746433 212020210011011