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2011102200111 = 347731371426171
BaseRepresentation
bin11101010000111111000…
…010000100000100101111
321010021000011121001101210
4131100333002010010233
5230422214130400421
64135515415405503
7265203662435304
oct35207702040457
97107004531353
102011102200111
117059a3843084
12285922083893
131178526c2a54
146d4a31650ab
15374a7a08576
hex1d43f08412f

2011102200111 has 32 divisors (see below), whose sum is σ = 2796301145088. Its totient is φ = 1284785210880.

The previous prime is 2011102200073. The next prime is 2011102200131. The reversal of 2011102200111 is 1110022011102.

It is not a de Polignac number, because 2011102200111 - 27 = 2011102199983 is a prime.

It is a super-5 number, since 5×20111022001115 (a number of 63 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011102200131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 697056 + ... + 2123226.

It is an arithmetic number, because the mean of its divisors is an integer number (87384410784).

Almost surely, 22011102200111 is an apocalyptic number.

2011102200111 is a deficient number, since it is larger than the sum of its proper divisors (785198944977).

2011102200111 is a wasteful number, since it uses less digits than its factorization.

2011102200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426431.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011102200111 its reverse (1110022011102), we get a palindrome (3121124211213).

The spelling of 2011102200111 in words is "two trillion, eleven billion, one hundred two million, two hundred thousand, one hundred eleven".

Divisors: 1 3 47 73 137 141 219 411 3431 6439 10001 10293 19317 30003 470047 1410141 1426171 4278513 67030037 104110483 195385427 201090111 312331449 586156281 4893192701 9183115069 14263136171 14679578103 27549345207 42789408513 670367400037 2011102200111