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10111122101 = 83023121787
BaseRepresentation
bin10010110101010101…
…10111101010110101
3222002122212012222202
421122222313222311
5131201421401401
64351152234245
7505364056043
oct113252675265
928078765882
1010111122101
114319512763
121b6223b985
13c51a264b2
146bcc0b393
153e2a0d06b
hex25aab7ab5

10111122101 has 4 divisors (see below), whose sum is σ = 10111326912. Its totient is φ = 10110917292.

The previous prime is 10111122097. The next prime is 10111122103. The reversal of 10111122101 is 10122111101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10111122101 - 22 = 10111122097 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 (10111122103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22130 + ... + 143916.

It is an arithmetic number, because the mean of its divisors is an integer number (2527831728).

Almost surely, 210111122101 is an apocalyptic number.

It is an amenable number.

10111122101 is a deficient number, since it is larger than the sum of its proper divisors (204811).

10111122101 is an equidigital number, since it uses as much as digits as its factorization.

10111122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204810.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10111122101 its reverse (10122111101), we get a palindrome (20233233202).

The spelling of 10111122101 in words is "ten billion, one hundred eleven million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 83023 121787 10111122101