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222120230111 = 13119771142657
BaseRepresentation
bin1100111011011101100…
…1011011110011011111
3210020022221101210200022
43032313121123303133
512114400234330421
6250012435222355
722022226542543
oct3166731336337
9706287353608
10222120230111
118622309650a
123706b7479bb
1317c3b048a30
14aa71bdba23
155ba04017ab
hex33b765bcdf

222120230111 has 8 divisors (see below), whose sum is σ = 239210075664. Its totient is φ = 205030909440.

The previous prime is 222120230083. The next prime is 222120230183. The reversal of 222120230111 is 111032021222.

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 222120230111 - 26 = 222120230047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222120230111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120232111) 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, 1485695 + ... + 1628351.

It is an arithmetic number, because the mean of its divisors is an integer number (29901259458).

Almost surely, 2222120230111 is an apocalyptic number.

222120230111 is a deficient number, since it is larger than the sum of its proper divisors (17089845553).

222120230111 is a wasteful number, since it uses less digits than its factorization.

222120230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262441.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222120230111 its reverse (111032021222), we get a palindrome (333152251333).

The spelling of 222120230111 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thirty thousand, one hundred eleven".

Divisors: 1 13 119771 142657 1557023 1854541 17086171547 222120230111