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220201012211 = 300149733639
BaseRepresentation
bin1100110100010100000…
…0001100101111110011
3210001101012001102122212
43031011000030233303
512101432424342321
6245054155522335
721623533502225
oct3150500145763
9701335042585
10220201012211
1185428804714
1236814a593ab
13179c3546a3b
14a92cd70415
155adbb9955b
hex334500cbf3

220201012211 has 4 divisors (see below), whose sum is σ = 220202046000. Its totient is φ = 220199978424.

The previous prime is 220201012201. The next prime is 220201012217. The reversal of 220201012211 is 112210102022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220201012211 is a prime.

It is a super-2 number, since 2×2202010122112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220201012217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66671 + ... + 666968.

It is an arithmetic number, because the mean of its divisors is an integer number (55050511500).

Almost surely, 2220201012211 is an apocalyptic number.

220201012211 is a deficient number, since it is larger than the sum of its proper divisors (1033789).

220201012211 is an equidigital number, since it uses as much as digits as its factorization.

220201012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033788.

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

Adding to 220201012211 its reverse (112210102022), we get a palindrome (332411114233).

The spelling of 220201012211 in words is "two hundred twenty billion, two hundred one million, twelve thousand, two hundred eleven".

Divisors: 1 300149 733639 220201012211