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10012110202021 = 22943721005249
BaseRepresentation
bin1001000110110010000001…
…0001011010010010100101
31022110011000011201020221011
42101230200101122102211
52303014300202431041
633143255552422221
72052231265353604
oct221544021322245
938404004636834
1010012110202021
113210126215044
1211584b7547971
135781a4096335
14268835635a3b
151256881d0e81
hex91b2045a4a5

10012110202021 has 4 divisors (see below), whose sum is σ = 10055831207500. Its totient is φ = 9968389196544.

The previous prime is 10012110202007. The next prime is 10012110202057. The reversal of 10012110202021 is 12020201121001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4668684989796 + 5343425212225 = 2160714^2 + 2311585^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012110202021 - 213 = 10012110193829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012110201992 and 10012110202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012110202001) 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 3 ways as a sum of consecutive naturals, for example, 21860502396 + ... + 21860502853.

It is an arithmetic number, because the mean of its divisors is an integer number (2513957801875).

Almost surely, 210012110202021 is an apocalyptic number.

It is an amenable number.

10012110202021 is a deficient number, since it is larger than the sum of its proper divisors (43721005479).

10012110202021 is an equidigital number, since it uses as much as digits as its factorization.

10012110202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43721005478.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012110202021 its reverse (12020201121001), we get a palindrome (22032311323022).

The spelling of 10012110202021 in words is "ten trillion, twelve billion, one hundred ten million, two hundred two thousand, twenty-one".

Divisors: 1 229 43721005249 10012110202021