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11112202020221 = 103227233474779
BaseRepresentation
bin1010000110110100001011…
…0110101010010101111101
31110100022112110112212112222
42201231002312222111331
52424030242204121341
635344513010135125
72224554503465651
oct241550266522575
943308473485488
1011112202020221
1135a4727389445
1212b5751b814a5
13627b50babcb3
142a5b94da0a61
151440c1c6c44b
hexa1b42daa57d

11112202020221 has 8 divisors (see below), whose sum is σ = 11220160486080. Its totient is φ = 11004244958592.

The previous prime is 11112202020209. The next prime is 11112202020253. The reversal of 11112202020221 is 12202020221111.

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 11112202020221 - 222 = 11112197825917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11112202020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112202050221) 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, 23167610 + ... + 23642388.

It is an arithmetic number, because the mean of its divisors is an integer number (1402520060760).

Almost surely, 211112202020221 is an apocalyptic number.

It is an amenable number.

11112202020221 is a deficient number, since it is larger than the sum of its proper divisors (107958465859).

11112202020221 is a wasteful number, since it uses less digits than its factorization.

11112202020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702115.

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

Adding to 11112202020221 its reverse (12202020221111), we get a palindrome (23314222241332).

It can be divided in two parts, 111 and 12202020221, that multiplied together give a palindrome (1354424244531).

The spelling of 11112202020221 in words is "eleven trillion, one hundred twelve billion, two hundred two million, twenty thousand, two hundred twenty-one".

Divisors: 1 103 227233 474779 23404999 48902237 107885456507 11112202020221