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212220130111 = 1122984247769
BaseRepresentation
bin1100010110100101001…
…1100011001100111111
3202021202222121121120221
43011221103203030333
511434111323130421
6241254221522211
721222004225333
oct3055123431477
9667688547527
10212220130111
1182002804890
1235168113367
1317020c686b2
14a3b30417c3
1557c11c8841
hex31694e333f

212220130111 has 8 divisors (see below), whose sum is σ = 232523845200. Its totient is φ = 192084911040.

The previous prime is 212220130093. The next prime is 212220130123. The reversal of 212220130111 is 111031022212.

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

It is a de Polignac number, because none of the positive numbers 2k-212220130111 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 (212220130211) 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, 42121366 + ... + 42126403.

It is an arithmetic number, because the mean of its divisors is an integer number (29065480650).

Almost surely, 2212220130111 is an apocalyptic number.

212220130111 is a deficient number, since it is larger than the sum of its proper divisors (20303715089).

212220130111 is a wasteful number, since it uses less digits than its factorization.

212220130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84248009.

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

Adding to 212220130111 its reverse (111031022212), we get a palindrome (323251152323).

The spelling of 212220130111 in words is "two hundred twelve billion, two hundred twenty million, one hundred thirty thousand, one hundred eleven".

Divisors: 1 11 229 2519 84247769 926725459 19292739101 212220130111