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12102221023111 = 617172111397223
BaseRepresentation
bin1011000000011100010010…
…0101011100011110000111
31120211221221120222002222101
42300013010211130132013
53041240322040214421
641423403353212531
72356233214250032
oct260070445343607
946757846862871
1012102221023111
11394658329949a
1214355a9401147
1369a3083b198b
142dba719d0019
1515ec1712b191
hexb01c495c787

12102221023111 has 8 divisors (see below), whose sum is σ = 12128880191904. Its totient is φ = 12075584653440.

The previous prime is 12102221023103. The next prime is 12102221023127. The reversal of 12102221023111 is 11132012220121.

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 12102221023111 - 23 = 12102221023103 is a prime.

It is a super-2 number, since 2×121022210231112 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102221023811) 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, 4636755 + ... + 6760468.

It is an arithmetic number, because the mean of its divisors is an integer number (1516110023988).

Almost surely, 212102221023111 is an apocalyptic number.

12102221023111 is a deficient number, since it is larger than the sum of its proper divisors (26659168793).

12102221023111 is a wasteful number, since it uses less digits than its factorization.

12102221023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399561.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12102221023111 its reverse (11132012220121), we get a palindrome (23234233243232).

The spelling of 12102221023111 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, twenty-three thousand, one hundred eleven".

Divisors: 1 617 1721 1061857 11397223 7032086591 19614620783 12102221023111