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101100112111 = 7113125514261
BaseRepresentation
bin101111000101000001…
…0010100100011101111
3100122221211200211100201
41132022002110203233
53124023112041421
6114240022134331
710206232526305
oct1361202244357
9318854624321
10101100112111
1139970417669
12177162813a7
1396c26cc45b
144c711cc275
15296aae3b91
hex178a0948ef

101100112111 has 16 divisors (see below), whose sum is σ = 103371434496. Its totient is φ = 98853300000.

The previous prime is 101100112103. The next prime is 101100112147. The reversal of 101100112111 is 111211001101.

It is not a de Polignac number, because 101100112111 - 23 = 101100112103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100112411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23724721 + ... + 23728981.

It is an arithmetic number, because the mean of its divisors is an integer number (6460714656).

Almost surely, 2101100112111 is an apocalyptic number.

101100112111 is a deficient number, since it is larger than the sum of its proper divisors (2271322385).

101100112111 is a wasteful number, since it uses less digits than its factorization.

101100112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101100112111 its reverse (111211001101), we get a palindrome (212311113212).

The spelling of 101100112111 in words is "one hundred one billion, one hundred million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 71 131 2551 4261 9301 181121 302531 334181 558191 10869811 23726851 39631561 771756581 1423945241 101100112111