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200011111221 = 3294532263619
BaseRepresentation
bin1011101001000110010…
…1110101101100110101
3201010021010012012020010
42322101211311230311
511234110321024341
6231514524130433
720310314252145
oct2722145655465
9633233165203
10200011111221
1177908070229
123291b396a19
1315b2670c76c
149975774925
15530941b716
hex2e91975b35

200011111221 has 8 divisors (see below), whose sum is σ = 266690653920. Its totient is φ = 133336154672.

The previous prime is 200011111117. The next prime is 200011111231. The reversal of 200011111221 is 122111110002.

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 200011111221 - 213 = 200011103029 is a prime.

It is a super-2 number, since 2×2000111112212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200011111197 and 200011111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011111231) 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, 1043451 + ... + 1220168.

It is an arithmetic number, because the mean of its divisors is an integer number (33336331740).

Almost surely, 2200011111221 is an apocalyptic number.

It is an amenable number.

200011111221 is a deficient number, since it is larger than the sum of its proper divisors (66679542699).

200011111221 is a wasteful number, since it uses less digits than its factorization.

200011111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293075.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200011111221 its reverse (122111110002), we get a palindrome (322122221223).

The spelling of 200011111221 in words is "two hundred billion, eleven million, one hundred eleven thousand, two hundred twenty-one".

Divisors: 1 3 29453 88359 2263619 6790857 66670370407 200011111221