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10221001212001 = 271123130638401
BaseRepresentation
bin1001010010111100001100…
…1001011000000001100001
31100012010012011000001020111
42110233003021120001201
52314430102302241001
633423244012011321
72103304636554526
oct224570311300141
940163164001214
1010221001212001
11329077a7a5678
121190a94760b41
13591ab43c5058
142749b047b14d
1512ad11ea3851
hex94bc3258061

10221001212001 has 8 divisors (see below), whose sum is σ = 10267051063808. Its totient is φ = 10175012640000.

The previous prime is 10221001211969. The next prime is 10221001212067. The reversal of 10221001212001 is 10021210012201.

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

It is a cyclic number.

It is not a de Polignac number, because 10221001212001 - 25 = 10221001211969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221001216001) 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 7 ways as a sum of consecutive naturals, for example, 14985600 + ... + 15652801.

It is an arithmetic number, because the mean of its divisors is an integer number (1283381382976).

Almost surely, 210221001212001 is an apocalyptic number.

It is an amenable number.

10221001212001 is a deficient number, since it is larger than the sum of its proper divisors (46049851807).

10221001212001 is a wasteful number, since it uses less digits than its factorization.

10221001212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30639903.

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

Adding to 10221001212001 its reverse (10021210012201), we get a palindrome (20242211224202).

The spelling of 10221001212001 in words is "ten trillion, two hundred twenty-one billion, one million, two hundred twelve thousand, one".

Divisors: 1 271 1231 333601 30638401 8303006671 37715871631 10221001212001