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10201221220001 = 75992432917057
BaseRepresentation
bin1001010001110010100000…
…1010101100011010100001
31100010020010122110100020012
42110130220022230122201
52314114100113020001
633410213142054305
72102004525446420
oct224345012543241
940106118410205
1010201221220001
11328334a484949
12118909441a395
1358cc8148b686
14273a554a52b7
1512a5556e52bb
hex947282ac6a1

10201221220001 has 8 divisors (see below), whose sum is σ = 11678001878400. Its totient is φ = 8729306396928.

The previous prime is 10201221219989. The next prime is 10201221220027. The reversal of 10201221220001 is 10002212210201.

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 10201221220001 - 210 = 10201221218977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201221220061) 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, 1216454336 + ... + 1216462721.

It is an arithmetic number, because the mean of its divisors is an integer number (1459750234800).

Almost surely, 210201221220001 is an apocalyptic number.

It is an amenable number.

10201221220001 is a deficient number, since it is larger than the sum of its proper divisors (1476780658399).

10201221220001 is an equidigital number, since it uses as much as digits as its factorization.

10201221220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432917663.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10201221220001 its reverse (10002212210201), we get a palindrome (20203433430202).

The spelling of 10201221220001 in words is "ten trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty thousand, one".

Divisors: 1 7 599 4193 2432917057 17030419399 1457317317143 10201221220001