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221112002202001 = 2924233833146243
BaseRepresentation
bin110010010001100110100110…
…010110001100100110010001
31001222220002201121102100212221
4302101212212112030212101
5212440144340030431001
62102133241310021041
764400546353161511
oct6221464626144621
91058802647370787
10221112002202001
11644a9089957389
1220970ba21a7781
13964ba06aa3a51
143c85c4137b841
151a8696d42e1a1
hexc919a658c991

221112002202001 has 8 divisors (see below), whose sum is σ = 228736721090880. Its totient is φ = 213487294452432.

The previous prime is 221112002201977. The next prime is 221112002202023. The reversal of 221112002202001 is 100202200211122.

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 221112002202001 - 25 = 221112002201969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221112002202701) 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, 68704986 + ... + 71851228.

It is an arithmetic number, because the mean of its divisors is an integer number (28592090136360).

Almost surely, 2221112002202001 is an apocalyptic number.

It is an amenable number.

221112002202001 is a deficient number, since it is larger than the sum of its proper divisors (7624718888879).

221112002202001 is a wasteful number, since it uses less digits than its factorization.

221112002202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569655.

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

Adding to 221112002202001 its reverse (100202200211122), we get a palindrome (321314202413123).

The spelling of 221112002202001 in words is "two hundred twenty-one trillion, one hundred twelve billion, two million, two hundred two thousand, one".

Divisors: 1 29 2423383 3146243 70278107 91241047 7624551800069 221112002202001