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200211011012021 = 2571094971150897
BaseRepresentation
bin101101100001011101000010…
…001100010000010110110101
3222020212222121121002002221212
4231201131002030100112311
5202220224122304341041
61545451400235451205
760112524331320422
oct5541350214202665
9866788547062855
10200211011012021
1158880016253889
121a55629a5b6b05
138793a8188ca89
14376239c240d49
151822e3402a8eb
hexb617423105b5

200211011012021 has 8 divisors (see below), whose sum is σ = 201008401939800. Its totient is φ = 199413762408448.

The previous prime is 200211011012011. The next prime is 200211011012063. The reversal of 200211011012021 is 120210110112002.

It can be written as a sum of positive squares in 4 ways, for example, as 24231843082225 + 175979167929796 = 4922585^2 + 13265714^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200211011012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211011011987 and 200211011012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211011012011) 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, 32761556 + ... + 38389341.

It is an arithmetic number, because the mean of its divisors is an integer number (25126050242475).

Almost surely, 2200211011012021 is an apocalyptic number.

It is an amenable number.

200211011012021 is a deficient number, since it is larger than the sum of its proper divisors (797390927779).

200211011012021 is a wasteful number, since it uses less digits than its factorization.

200211011012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71162103.

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

Adding to 200211011012021 its reverse (120210110112002), we get a palindrome (320421121124023).

The spelling of 200211011012021 in words is "two hundred trillion, two hundred eleven billion, eleven million, twelve thousand, twenty-one".

Divisors: 1 257 10949 2813893 71150897 18285780529 779031171253 200211011012021