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3212221002221 = 71141717155873
BaseRepresentation
bin101110101111100111010…
…010101011000111101101
3102101002022012112012100102
4232233213102223013231
5410112112034032341
610455401324040445
7451034555004140
oct56574722530755
912332265465312
103212221002221
111029328016810
1243a672393125
131a3baca1252a
14b16880c4057
1558855a40c9b
hex2ebe74ab1ed

3212221002221 has 8 divisors (see below), whose sum is σ = 4004846963904. Its totient is φ = 2503029352320.

The previous prime is 3212221002181. The next prime is 3212221002313. The reversal of 3212221002221 is 1222001222123.

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

It is not a de Polignac number, because 3212221002221 - 26 = 3212221002157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3212221002193 and 3212221002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212221002521) 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, 20858577860 + ... + 20858578013.

It is an arithmetic number, because the mean of its divisors is an integer number (500605870488).

Almost surely, 23212221002221 is an apocalyptic number.

It is an amenable number.

3212221002221 is a deficient number, since it is larger than the sum of its proper divisors (792625961683).

3212221002221 is a wasteful number, since it uses less digits than its factorization.

3212221002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41717155891.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 3212221002221 its reverse (1222001222123), we get a palindrome (4434222224344).

The spelling of 3212221002221 in words is "three trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, two hundred twenty-one".

Divisors: 1 7 11 77 41717155873 292020091111 458888714603 3212221002221