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221002201102211 = 593389663956429
BaseRepresentation
bin110010010000000000010101…
…101100001111011110000011
31001222111121022101021120022022
4302100000111230033132003
5212431400001440232321
62102011002023232055
764356611365215164
oct6220002554173603
91058447271246268
10221002201102211
1164466564008a11
1220953859ba862b
139641558867699
143c807c677176b
151a83b93a24dab
hexc90015b0f783

221002201102211 has 8 divisors (see below), whose sum is σ = 221375685674880. Its totient is φ = 220628719222912.

The previous prime is 221002201102147. The next prime is 221002201102229. The reversal of 221002201102211 is 112201102200122.

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 221002201102211 - 26 = 221002201102147 is a prime.

It is a super-2 number, since 2×2210022011022112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221002201102211.

It is not an unprimeable number, because it can be changed into a prime (221002201102271) 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, 230591945 + ... + 231548373.

It is an arithmetic number, because the mean of its divisors is an integer number (27671960709360).

Almost surely, 2221002201102211 is an apocalyptic number.

221002201102211 is a deficient number, since it is larger than the sum of its proper divisors (373484572669).

221002201102211 is an equidigital number, since it uses as much as digits as its factorization.

221002201102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346685.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221002201102211 its reverse (112201102200122), we get a palindrome (333203303302333).

The spelling of 221002201102211 in words is "two hundred twenty-one trillion, two billion, two hundred one million, one hundred two thousand, two hundred eleven".

Divisors: 1 593 389663 956429 231070159 567162397 372684993427 221002201102211