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101023111211 = 1129367862907
BaseRepresentation
bin101111000010101110…
…0100101100000101011
3100122202110210202222112
41132011130211200223
53123343404024321
6114224231512535
710204306164011
oct1360534454053
9318673722875
10101023111211
1139930a04760
12176b452874b
1396ac77c1a9
144c64ca68b1
152963e83a5b
hex178572582b

101023111211 has 16 divisors (see below), whose sum is σ = 114318051840. Its totient is φ = 88430606880.

The previous prime is 101023111141. The next prime is 101023111219. The reversal of 101023111211 is 112111320101.

It is not a de Polignac number, because 101023111211 - 210 = 101023110187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101023111219) 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, 314381 + ... + 548526.

It is an arithmetic number, because the mean of its divisors is an integer number (7144878240).

Almost surely, 2101023111211 is an apocalyptic number.

101023111211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101023111211 is a deficient number, since it is larger than the sum of its proper divisors (13294940629).

101023111211 is a wasteful number, since it uses less digits than its factorization.

101023111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863314.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 101023111211 its reverse (112111320101), we get a palindrome (213134431312).

The spelling of 101023111211 in words is "one hundred one billion, twenty-three million, one hundred eleven thousand, two hundred eleven".

Divisors: 1 11 29 319 367 4037 10643 117073 862907 9491977 25024303 275267333 316686869 3483555559 9183919201 101023111211