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12220122110221 = 90720536562651
BaseRepresentation
bin1011000111010011100000…
…0010011001100100001101
31121021020021022122220021101
42301310320002121210031
53100203302230011341
641553502510503101
72400606006043624
oct261647002314415
947236238586241
1012220122110221
113991585398263
121454412204a91
136a847779bc4c
143036582906bb
15162d17bd1831
hexb1d3809990d

12220122110221 has 8 divisors (see below), whose sum is σ = 12239555984864. Its totient is φ = 12200701366800.

The previous prime is 12220122110219. The next prime is 12220122110233. The reversal of 12220122110221 is 12201122102221.

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 12220122110221 - 21 = 12220122110219 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 (12220122110821) 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, 1419255 + ... + 5143396.

It is an arithmetic number, because the mean of its divisors is an integer number (1529944498108).

Almost surely, 212220122110221 is an apocalyptic number.

It is an amenable number.

12220122110221 is a deficient number, since it is larger than the sum of its proper divisors (19433874643).

12220122110221 is an equidigital number, since it uses as much as digits as its factorization.

12220122110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565611.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12220122110221 its reverse (12201122102221), we get a palindrome (24421244212442).

The spelling of 12220122110221 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 907 2053 1862071 6562651 5952324457 13473122503 12220122110221