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2111211111110 = 25211121111111
BaseRepresentation
bin11110101110001101111…
…111010000001011000110
321110211101221011122110012
4132232031333100023012
5234042230021023420
64253513233030222
7305346531231503
oct36561577201306
97424357148405
102111211111110
117443a56a6672
122a12003b5372
13124117945c6a
147427c8564aa
1539db65a7dc5
hex1eb8dfd02c6

2111211111110 has 8 divisors (see below), whose sum is σ = 3800180000016. Its totient is φ = 844484444440.

The previous prime is 2111211111077. The next prime is 2111211111127. The reversal of 2111211111110 is 111111121112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105560555546 + ... + 105560555565.

It is an arithmetic number, because the mean of its divisors is an integer number (475022500002).

Almost surely, 22111211111110 is an apocalyptic number.

2111211111110 is a deficient number, since it is larger than the sum of its proper divisors (1688968888906).

2111211111110 is a wasteful number, since it uses less digits than its factorization.

2111211111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211121111118.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 2111211111110 its reverse (111111121112), we get a palindrome (2222322232222).

It can be divided in two parts, 211121 and 1111110, that added together give a palindrome (1322231).

The spelling of 2111211111110 in words is "two trillion, one hundred eleven billion, two hundred eleven million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 211121111111 422242222222 1055605555555 2111211111110