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10212201021001 = 71458885860143
BaseRepresentation
bin1001010010011011011010…
…0111010011111001001001
31100011021110211220000122111
42110212312213103321021
52314304041430133001
633415230445222321
72102543601304150
oct224466647237111
940137424800574
1010212201021001
113287a74276951
12118b2395619a1
13591011163145
142743b77d8597
1512a9995e4851
hex949b69d3e49

10212201021001 has 4 divisors (see below), whose sum is σ = 11671086881152. Its totient is φ = 8753315160852.

The previous prime is 10212201020999. The next prime is 10212201021013. The reversal of 10212201021001 is 10012010221201.

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 10212201021001 - 21 = 10212201020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212201021031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729442930065 + ... + 729442930078.

It is an arithmetic number, because the mean of its divisors is an integer number (2917771720288).

Almost surely, 210212201021001 is an apocalyptic number.

It is an amenable number.

10212201021001 is a deficient number, since it is larger than the sum of its proper divisors (1458885860151).

10212201021001 is an equidigital number, since it uses as much as digits as its factorization.

10212201021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458885860150.

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

Adding to 10212201021001 its reverse (10012010221201), we get a palindrome (20224211242202).

The spelling of 10212201021001 in words is "ten trillion, two hundred twelve billion, two hundred one million, twenty-one thousand, one".

Divisors: 1 7 1458885860143 10212201021001