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221234122141 = 6715259216397
BaseRepresentation
bin1100111000001010010…
…1001100110110011101
3210011001012000212001121
43032002211030312131
512111041413402031
6245344503010541
721661250003434
oct3160245146635
9704035025047
10221234122141
118590899247a
1236a62a39a51
1317b295a75a6
14a9ca25a11b
155b4c71b011
hex338294cd9d

221234122141 has 8 divisors (see below), whose sum is σ = 224551876640. Its totient is φ = 217916831088.

The previous prime is 221234122063. The next prime is 221234122199. The reversal of 221234122141 is 141221432122.

221234122141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221234122141 - 219 = 221233597853 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 (221234152141) 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, 914155 + ... + 1130551.

It is an arithmetic number, because the mean of its divisors is an integer number (28068984580).

Almost surely, 2221234122141 is an apocalyptic number.

It is an amenable number.

221234122141 is a deficient number, since it is larger than the sum of its proper divisors (3317754499).

221234122141 is a wasteful number, since it uses less digits than its factorization.

221234122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231723.

The product of its digits is 1536, while the sum is 25.

Adding to 221234122141 its reverse (141221432122), we get a palindrome (362455554263).

The spelling of 221234122141 in words is "two hundred twenty-one billion, two hundred thirty-four million, one hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 67 15259 216397 1022353 14498599 3302001823 221234122141