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201012221022001 = 887558140605683
BaseRepresentation
bin101101101101000111001110…
…000001111000111100110001
3222100201120200022001201120221
4231231013032001320330301
5202321341012040201001
61551303423422533041
760224440140121354
oct5555071601707461
9870646608051527
10201012221022001
1159059893430a24
121a665622137181
1388214a9426b8c
14378d08718029b
151838bc86841a1
hexb6d1ce078f31

201012221022001 has 8 divisors (see below), whose sum is σ = 201274904142144. Its totient is φ = 200749619126160.

The previous prime is 201012221021999. The next prime is 201012221022023. The reversal of 201012221022001 is 100220122210102.

It is a happy number.

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 201012221022001 - 21 = 201012221021999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012221032001) 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, 15352495 + ... + 25253188.

It is an arithmetic number, because the mean of its divisors is an integer number (25159363017768).

Almost surely, 2201012221022001 is an apocalyptic number.

It is an amenable number.

201012221022001 is a deficient number, since it is larger than the sum of its proper divisors (262683120143).

201012221022001 is an equidigital number, since it uses as much as digits as its factorization.

201012221022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40612151.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201012221022001 its reverse (100220122210102), we get a palindrome (301232343232103).

The spelling of 201012221022001 in words is "two hundred one trillion, twelve billion, two hundred twenty-one million, twenty-two thousand, one".

Divisors: 1 887 5581 4950347 40605683 36017240821 226620316823 201012221022001