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10021212110111 = 100917749559571
BaseRepresentation
bin1001000111010011111011…
…0010011011110100011111
31022111000111111120002120012
42101310332302123310133
52303141420300010421
633151403054113435
72053002656325026
oct221647662336437
938430444502505
1010021212110111
113213a76a90334
12115a2177ab87b
13578cc49a7777
1426905a3b78bd
15125a1c2dc95b
hex91d3ec9bd1f

10021212110111 has 8 divisors (see below), whose sum is σ = 10031727030000. Its totient is φ = 10010698346880.

The previous prime is 10021212110059. The next prime is 10021212110123. The reversal of 10021212110111 is 11101121212001.

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 10021212110111 - 26 = 10021212110047 is a prime.

It is a super-2 number, since 2×100212121101112 (a number of 27 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 (10021212110191) 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, 17628956 + ... + 18188526.

It is an arithmetic number, because the mean of its divisors is an integer number (1253965878750).

Almost surely, 210021212110111 is an apocalyptic number.

10021212110111 is a deficient number, since it is larger than the sum of its proper divisors (10514919889).

10021212110111 is a wasteful number, since it uses less digits than its factorization.

10021212110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578329.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10021212110111 its reverse (11101121212001), we get a palindrome (21122333322112).

The spelling of 10021212110111 in words is "ten trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, one hundred eleven".

Divisors: 1 1009 17749 559571 17908741 564607139 9931825679 10021212110111