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221002102211 = 1124183365561
BaseRepresentation
bin1100110111010011000…
…0000111010111000011
3210010110000110000112212
43031310300013113003
512110103014232321
6245305454012335
721652431605462
oct3156460072703
9703400400485
10221002102211
11857a9a1a470
12369b91a70ab
1317ac04bbaa7
14a9a75009d9
155b3718955b
hex3374c075c3

221002102211 has 8 divisors (see below), whose sum is σ = 242093592048. Its totient is φ = 200077344000.

The previous prime is 221002102171. The next prime is 221002102253. The reversal of 221002102211 is 112201200122.

221002102211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221002102211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221002101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41680130 + ... + 41685431.

It is an arithmetic number, because the mean of its divisors is an integer number (30261699006).

Almost surely, 2221002102211 is an apocalyptic number.

221002102211 is a deficient number, since it is larger than the sum of its proper divisors (21091489837).

221002102211 is a wasteful number, since it uses less digits than its factorization.

221002102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83365813.

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

Adding to 221002102211 its reverse (112201200122), we get a palindrome (333203302333).

The spelling of 221002102211 in words is "two hundred twenty-one billion, two million, one hundred two thousand, two hundred eleven".

Divisors: 1 11 241 2651 83365561 917021171 20091100201 221002102211