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111212222103331 = 1713288434923001
BaseRepresentation
bin11001010010010110011100…
…111111100011111100100011
3112120202210011222022001221021
4121102112130333203330203
5104034100112324301311
61032310104534310311
732265550352423116
oct3122263477437443
9476683158261837
10111212222103331
1132487925098428
12105818101b8397
134a09362a4686b
141d669b378057d
15cccd423e2171
hex65259cfe3f23

111212222103331 has 8 divisors (see below), whose sum is σ = 117754230054384. Its totient is φ = 104670226656000.

The previous prime is 111212222103319. The next prime is 111212222103341. The reversal of 111212222103331 is 133301222212111.

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 111212222103331 - 25 = 111212222103299 is a prime.

It is a super-2 number, since 2×1112122221033312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111212222103296 and 111212222103305.

It is not an unprimeable number, because it can be changed into a prime (111212222103341) 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, 20128831 + ... + 25051831.

It is an arithmetic number, because the mean of its divisors is an integer number (14719278756798).

Almost surely, 2111212222103331 is an apocalyptic number.

111212222103331 is a deficient number, since it is larger than the sum of its proper divisors (6542007951053).

111212222103331 is a wasteful number, since it uses less digits than its factorization.

111212222103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251861.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111212222103331 its reverse (133301222212111), we get a palindrome (244513444315442).

The spelling of 111212222103331 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred twenty-two million, one hundred three thousand, three hundred thirty-one".

Divisors: 1 17 1328843 4923001 22590331 83691017 6541895417843 111212222103331