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212020201221101 = 7132329892321111
BaseRepresentation
bin110000001101010011001100…
…110001110110101111101101
31000210200221012100212112001222
4300031103030301312233231
5210242214333003033401
62030532422533513125
762441645144015420
oct6015231461665755
91023627170775058
10212020201221101
11616132982635a9
121b942b284a27a5
13913c55ac4a420
143a4db925079b7
15197a1ea726c1b
hexc0d4ccc76bed

212020201221101 has 8 divisors (see below), whose sum is σ = 260947939964544. Its totient is φ = 167752247119920.

The previous prime is 212020201221001. The next prime is 212020201221109. The reversal of 212020201221101 is 101122102020212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212020201221101 - 222 = 212020197026797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212020201221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020201221109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164946160465 + ... + 1164946160646.

It is an arithmetic number, because the mean of its divisors is an integer number (32618492495568).

Almost surely, 2212020201221101 is an apocalyptic number.

It is an amenable number.

212020201221101 is a deficient number, since it is larger than the sum of its proper divisors (48927738743443).

212020201221101 is a wasteful number, since it uses less digits than its factorization.

212020201221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329892321131.

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

Adding to 212020201221101 its reverse (101122102020212), we get a palindrome (313142303241313).

The spelling of 212020201221101 in words is "two hundred twelve trillion, twenty billion, two hundred one million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 7 13 91 2329892321111 16309246247777 30288600174443 212020201221101