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10221001210001 = 179479119207861
BaseRepresentation
bin1001010010111100001100…
…1001010111100010010001
31100012010012010222221111102
42110233003021113202101
52314430102302210001
633423244011554145
72103304636545641
oct224570311274221
940163163887442
1010221001210001
11329077a7a411a
121190a9475b955
13591ab43c417a
142749b047a521
1512ad11ea2e6b
hex94bc3257891

10221001210001 has 8 divisors (see below), whose sum is σ = 10299559276800. Its totient is φ = 10142681560240.

The previous prime is 10221001209977. The next prime is 10221001210031. The reversal of 10221001210001 is 10001210012201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10221001210001 is a prime.

It is a super-2 number, since 2×102210012100012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221001210031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59518190 + ... + 59689671.

It is an arithmetic number, because the mean of its divisors is an integer number (1287444909600).

Almost surely, 210221001210001 is an apocalyptic number.

It is an amenable number.

10221001210001 is a deficient number, since it is larger than the sum of its proper divisors (78558066799).

10221001210001 is a wasteful number, since it uses less digits than its factorization.

10221001210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119208519.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10221001210001 its reverse (10001210012201), we get a palindrome (20222211222202).

The spelling of 10221001210001 in words is "ten trillion, two hundred twenty-one billion, one million, two hundred ten thousand, one".

Divisors: 1 179 479 85741 119207861 21338207119 57100565419 10221001210001