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120000000111221 = 2232811915005667
BaseRepresentation
bin11011010010001110101101…
…011000010011001001110101
3120201212212222022222200111202
4123102032231120103021311
5111212040000012024341
61103115123343142245
734163466604136336
oct3322165530231165
9521785868880452
10120000000111221
113526579473a82a
12115609792a4985
1351c5c4a468499
14218c06109c28d
15dd171e67879b
hex6d23ad613275

120000000111221 has 8 divisors (see below), whose sum is σ = 120967078036224. Its totient is φ = 119036752198560.

The previous prime is 120000000111179. The next prime is 120000000111247. The reversal of 120000000111221 is 122111000000021.

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 120000000111221 - 26 = 120000000111157 is a prime.

It is a super-2 number, since 2×1200000001112212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000000111281) 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, 957440171 + ... + 957565496.

It is an arithmetic number, because the mean of its divisors is an integer number (15120884754528).

Almost surely, 2120000000111221 is an apocalyptic number.

It is an amenable number.

120000000111221 is a deficient number, since it is larger than the sum of its proper divisors (967077925003).

120000000111221 is a wasteful number, since it uses less digits than its factorization.

120000000111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915006171.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120000000111221 its reverse (122111000000021), we get a palindrome (242111000111242).

The spelling of 120000000111221 in words is "one hundred twenty trillion, one hundred eleven thousand, two hundred twenty-one".

Divisors: 1 223 281 62663 1915005667 427046263741 538116592427 120000000111221