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22111000211 = 475095991543
BaseRepresentation
bin10100100101111010…
…110001011010010011
32010001221202012010202
4110211322301122103
5330240404001321
614054015245415
71411634254316
oct244572613223
963057665122
1022111000211
1194170a07a3
124350b1986b
132114b476a1
1410da7d697d
1589625770b
hex525eb1693

22111000211 has 16 divisors (see below), whose sum is σ = 22678272000. Its totient is φ = 21548006688.

The previous prime is 22111000151. The next prime is 22111000229. The reversal of 22111000211 is 11200011122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22111000211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111000192 and 22111000201.

It is not an unprimeable number, because it can be changed into a prime (22111000291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14329106 + ... + 14330648.

It is an arithmetic number, because the mean of its divisors is an integer number (1417392000).

Almost surely, 222111000211 is an apocalyptic number.

22111000211 is a deficient number, since it is larger than the sum of its proper divisors (567271789).

22111000211 is a wasteful number, since it uses less digits than its factorization.

22111000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22111000211 its reverse (11200011122), we get a palindrome (33311011333).

The spelling of 22111000211 in words is "twenty-two billion, one hundred eleven million, two hundred eleven", and thus it is an aban number.

Divisors: 1 47 509 599 1543 23923 28153 72521 304891 785387 924257 14329877 36913189 43440079 470446813 22111000211