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11210143021 = 721126937723
BaseRepresentation
bin10100111000010110…
…10011010100101101
31001221020212021021021
422130023103110231
5140424244034041
65052212134141
7544540433500
oct123413232455
931836767237
1011210143021
114832919410
12220a307351
13109862362c
14784b73137
1545924dcd1
hex29c2d352d

11210143021 has 24 divisors (see below), whose sum is σ = 14232983904. Its totient is φ = 8730802080.

The previous prime is 11210143003. The next prime is 11210143067. The reversal of 11210143021 is 12034101211.

11210143021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11210143021 - 27 = 11210142893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210142986 and 11210143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210143081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447666 + ... + 1455388.

It is an arithmetic number, because the mean of its divisors is an integer number (593040996).

Almost surely, 211210143021 is an apocalyptic number.

11210143021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11210143021 is a deficient number, since it is larger than the sum of its proper divisors (3022840883).

11210143021 is a wasteful number, since it uses less digits than its factorization.

11210143021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441 (or 10434 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11210143021 its reverse (12034101211), we get a palindrome (23244244232).

The spelling of 11210143021 in words is "eleven billion, two hundred ten million, one hundred forty-three thousand, twenty-one".

Divisors: 1 7 11 49 77 539 2693 7723 18851 29623 54061 84953 131957 207361 378427 594671 1451527 4162697 20798039 145586273 228778429 1019103911 1601449003 11210143021