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221210042141 = 1131648709801
BaseRepresentation
bin1100111000000100100…
…1010101111100011101
3210010222111201110111202
43032001021111330131
512111014232322031
6245342242525245
721660535222364
oct3160111257435
9703874643452
10221210042141
11858a6335850
1236a56966825
1317b245c607a
14a9c6d8c7db
155b4a5612cb
hex3381255f1d

221210042141 has 8 divisors (see below), whose sum is σ = 249104563968. Its totient is φ = 194612940000.

The previous prime is 221210042129. The next prime is 221210042153. The reversal of 221210042141 is 141240012122.

221210042141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221210042129) and next prime (221210042153).

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 221210042141 - 230 = 220136300317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221210042101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324354560 + ... + 324355241.

It is an arithmetic number, because the mean of its divisors is an integer number (31138070496).

Almost surely, 2221210042141 is an apocalyptic number.

It is an amenable number.

221210042141 is a deficient number, since it is larger than the sum of its proper divisors (27894521827).

221210042141 is a wasteful number, since it uses less digits than its factorization.

221210042141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648709843.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221210042141 its reverse (141240012122), we get a palindrome (362450054263).

The spelling of 221210042141 in words is "two hundred twenty-one billion, two hundred ten million, forty-two thousand, one hundred forty-one".

Divisors: 1 11 31 341 648709801 7135807811 20110003831 221210042141