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130221202111221 = 3133339005182339
BaseRepresentation
bin11101100110111101111100…
…011111100111101011110101
3122002002000200110210211002210
4131212331330133213223311
5114032021010220024341
61140542443330524033
736300112532503014
oct3546757437475365
9562060613724083
10130221202111221
11385465578063a1
12127318a9136619
135787a643323b0
142422a50084a7b
15100c54408ec16
hex766f7c7e7af5

130221202111221 has 8 divisors (see below), whose sum is σ = 186984290211040. Its totient is φ = 80136124376112.

The previous prime is 130221202111159. The next prime is 130221202111249. The reversal of 130221202111221 is 122111202122031.

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

It is not a de Polignac number, because 130221202111221 - 27 = 130221202111093 is a prime.

It is a super-2 number, since 2×1302212021112212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221202191221) 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, 1669502591131 + ... + 1669502591208.

It is an arithmetic number, because the mean of its divisors is an integer number (23373036276380).

Almost surely, 2130221202111221 is an apocalyptic number.

It is an amenable number.

130221202111221 is a deficient number, since it is larger than the sum of its proper divisors (56763088099819).

130221202111221 is a wasteful number, since it uses less digits than its factorization.

130221202111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339005182355.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 130221202111221 its reverse (122111202122031), we get a palindrome (252332404233252).

The spelling of 130221202111221 in words is "one hundred thirty trillion, two hundred twenty-one billion, two hundred two million, one hundred eleven thousand, two hundred twenty-one".

Divisors: 1 3 13 39 3339005182339 10017015547017 43407067370407 130221202111221