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2221110133201 = 56571117335141
BaseRepresentation
bin100000010100100100011…
…110110000000111010001
321212100001222120102011201
4200110210132300013101
5242342313143230301
64420210334311201
7316320115424641
oct40244436600721
97770058512151
102221110133201
11786a70847563
122ba571358501
131315b024920b
1479706472521
153cb998a6201
hex205247b01d1

2221110133201 has 8 divisors (see below), whose sum is σ = 2221764813864. Its totient is φ = 2220455556480.

The previous prime is 2221110133189. The next prime is 2221110133217. The reversal of 2221110133201 is 1023310111222.

It can be written as a sum of positive squares in 4 ways, for example, as 23152665600 + 2197957467601 = 152160^2 + 1482551^2 .

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 2221110133201 - 25 = 2221110133169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221110133241) 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, 63188091 + ... + 63223231.

It is an arithmetic number, because the mean of its divisors is an integer number (277720601733).

Almost surely, 22221110133201 is an apocalyptic number.

It is an amenable number.

2221110133201 is a deficient number, since it is larger than the sum of its proper divisors (654680663).

2221110133201 is a wasteful number, since it uses less digits than its factorization.

2221110133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51971.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2221110133201 its reverse (1023310111222), we get a palindrome (3244420244423).

The spelling of 2221110133201 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 5657 11173 35141 63205661 198792637 392630393 2221110133201