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130122011221 = 373643542539
BaseRepresentation
bin111100100101111100…
…0000101001001010101
3110102212102112001112221
41321023320011021111
54112442213324341
6135435514142341
712254354563126
oct1711370051125
9412772461487
10130122011221
1150203534a54
12212757219b1
13c369254017
14642578a04d
1535b8914ed1
hex1e4be05255

130122011221 has 8 divisors (see below), whose sum is σ = 130674014240. Its totient is φ = 129571095312.

The previous prime is 130122011209. The next prime is 130122011249. The reversal of 130122011221 is 122110221031.

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 130122011221 - 217 = 130121880149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130122011195 and 130122011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130132011221) 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, 31431 + ... + 511108.

It is an arithmetic number, because the mean of its divisors is an integer number (16334251780).

Almost surely, 2130122011221 is an apocalyptic number.

It is an amenable number.

130122011221 is a deficient number, since it is larger than the sum of its proper divisors (552003019).

130122011221 is an equidigital number, since it uses as much as digits as its factorization.

130122011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543555.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 130122011221 its reverse (122110221031), we get a palindrome (252232232252).

The spelling of 130122011221 in words is "one hundred thirty billion, one hundred twenty-two million, eleven thousand, two hundred twenty-one".

Divisors: 1 373 643 239839 542539 202367047 348852577 130122011221